diff --git a/lib/db/index.js b/lib/db/index.js
new file mode 100644
index 0000000..182ab6e
--- /dev/null
+++ b/lib/db/index.js
@@ -0,0 +1,52 @@
+'use strict'
+
+const fs = require('fs')
+const os = require('os')
+const path = require('path')
+const sqlite3 = require('sqlite3').verbose()
+const squel = require('squel')
+
+const DB_FILE = path.join(os.homedir(), '.intval3.db')
+const db = new sqlite3.Database(DB_FILE)
+
+class DB {
+	constructor () {
+		this._table = 'frames'
+		this.createTable()
+	}
+	createTable () {
+		const query = `CREATE TABLE
+		IF NOT EXISTS ${this._table} (
+			dir INTEGER,
+			exposure INTEGER,
+			start INTEGER,
+			stop INTEGER,
+			len INTEGER,
+			counter INTEGER,
+			sequence INTEGER
+		);`
+		db.run(query)
+	}
+	insert (obj) {
+		const query = squel.insert()
+				.into(this._table)
+				.setFields(obj) //dir, exposure, start, stop, len, counter
+				.toString()
+		db.run(query)
+	}
+	find (where, cb) {
+		const query = squel.select()
+				.from(this._table)
+				.where(where)
+				.toString()
+		db.all(query, cb)
+	}
+	list (cb) {
+		const query = squel.select()
+				.from(this._table)
+				.toString()
+		db.all(query, cb)
+	}
+}
+
+module.exports = new DB()
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 9aaa081..9c55558 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -7,8 +7,18 @@
     "abbrev": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
-      "optional": true
+      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
+    },
+    "ajv": {
+      "version": "6.10.0",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
+      "integrity": "sha512-nffhOpkymDECQyR0mnsUtoCE8RlX38G0rYP+wgLWFyZuUyuuojSSvi/+euOiQBIn63whYwYVIIH1TvE3tu4OEg==",
+      "requires": {
+        "fast-deep-equal": "^2.0.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
     },
     "ansi-escape-sequences": {
       "version": "4.0.1",
@@ -22,20 +32,17 @@
     "ansi-regex": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-      "optional": true
+      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
     "aproba": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw==",
-      "optional": true
+      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
     },
     "are-we-there-yet": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
       "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
-      "optional": true,
       "requires": {
         "delegates": "^1.0.0",
         "readable-stream": "^2.0.6"
@@ -81,6 +88,21 @@
         "lodash": "^4.17.11"
       }
     },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
+    },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
+    },
+    "aws4": {
+      "version": "1.8.0",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.8.0.tgz",
+      "integrity": "sha512-ReZxvNHIOv88FlT7rxcXIIC0fPt4KZqZbOlivyWtXLt8ESx84zd3kMC6iK5jVeS2qt+g7ftS7ye4fi06X5rtRQ=="
+    },
     "babylon": {
       "version": "7.0.0-beta.19",
       "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.19.tgz",
@@ -173,6 +195,11 @@
         "mkdirp2": "^1.0.3"
       }
     },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw="
+    },
     "catharsis": {
       "version": "0.8.9",
       "resolved": "https://registry.npmjs.org/catharsis/-/catharsis-0.8.9.tgz",
@@ -185,14 +212,12 @@
     "chownr": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-      "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==",
-      "optional": true
+      "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
     },
     "code-point-at": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
-      "optional": true
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
     },
     "collect-all": {
       "version": "1.0.3",
@@ -254,6 +279,14 @@
         "text-hex": "1.0.x"
       }
     },
+    "combined-stream": {
+      "version": "1.0.7",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.7.tgz",
+      "integrity": "sha512-brWl9y6vOB1xYPZcpZde3N9zDByXTosAeMDo4p1wzo6UMOX4vumB+TP1RZ76sfE6Md68Q0NJSrE/gbezd4Ul+w==",
+      "requires": {
+        "delayed-stream": "~1.0.0"
+      }
+    },
     "command-line-args": {
       "version": "5.0.2",
       "resolved": "https://registry.npmjs.org/command-line-args/-/command-line-args-5.0.2.tgz",
@@ -330,8 +363,7 @@
     "console-control-strings": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
-      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "optional": true
+      "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4="
     },
     "core-util-is": {
       "version": "1.0.2",
@@ -396,17 +428,20 @@
       "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
       "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
     },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk="
+    },
     "delegates": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
-      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "optional": true
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
     },
     "detect-libc": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
-      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups=",
-      "optional": true
+      "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
     },
     "detect-node": {
       "version": "2.0.4",
@@ -512,6 +547,11 @@
         "assert-plus": "^1.0.0"
       }
     },
+    "extend": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+      "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
+    },
     "extsprintf": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
@@ -522,6 +562,16 @@
       "resolved": "https://registry.npmjs.org/fast-decode-uri-component/-/fast-decode-uri-component-1.0.0.tgz",
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     },
+    "fast-deep-equal": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
+      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
+    },
+    "fast-json-stable-stringify": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
+      "integrity": "sha1-1RQsDK7msRifh9OnYREGT4bIu/I="
+    },
     "fast-safe-stringify": {
       "version": "2.0.6",
       "resolved": "https://registry.npmjs.org/fast-safe-stringify/-/fast-safe-stringify-2.0.6.tgz",
@@ -567,6 +617,21 @@
         "test-value": "^3.0.0"
       }
     },
+    "forever-agent": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE="
+    },
+    "form-data": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
+      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
+      "requires": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
+        "mime-types": "^2.1.12"
+      }
+    },
     "formidable": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/formidable/-/formidable-1.2.1.tgz",
@@ -576,7 +641,6 @@
       "version": "1.2.5",
       "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
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-      "optional": true,
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@@ -596,7 +660,6 @@
       "version": "2.7.4",
       "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
-      "optional": true,
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         "aproba": "^1.0.3",
         "console-control-strings": "^1.0.0",
@@ -652,11 +715,24 @@
         "uglify-js": "^3.1.4"
       }
     },
+    "har-schema": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI="
+    },
+    "har-validator": {
+      "version": "5.1.3",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.3.tgz",
+      "integrity": "sha512-sNvOCzEQNr/qrvJgc3UG/kD4QtlHycrzwS+6mfTrrSq97BvaYcPZZI1ZSqGSPR73Cxn4LKTD4PttRwfU7jWq5g==",
+      "requires": {
+        "ajv": "^6.5.5",
+        "har-schema": "^2.0.0"
+      }
+    },
     "has-unicode": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
-      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk=",
-      "optional": true
+      "integrity": "sha1-4Ob+aijPUROIVeCG0Wkedx3iqLk="
     },
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@@ -688,7 +764,6 @@
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-      "optional": true,
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@@ -697,7 +772,6 @@
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-      "optional": true,
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@@ -719,8 +793,7 @@
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-      "optional": true
+      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw=="
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@@ -731,7 +804,6 @@
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-      "optional": true,
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@@ -741,11 +813,21 @@
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       "integrity": "sha1-EtSj3U5o4Lec6428hBc66A2RykQ="
     },
+    "is-typedarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/is-typedarray/-/is-typedarray-1.0.0.tgz",
+      "integrity": "sha1-5HnICFjfDBsR3dppQPlgEfzaSpo="
+    },
     "isarray": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
       "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
     },
+    "isstream": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
+      "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
+    },
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       "resolved": "https://registry.npmjs.org/js-message/-/js-message-1.0.5.tgz",
@@ -850,6 +932,16 @@
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       "integrity": "sha1-tIDIkuWaLwWVTOcnvT8qTogvnhM="
     },
+    "json-schema-traverse": {
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
+      "integrity": "sha512-xbbCH5dCYU5T8LcEhhuh7HJ88HXuW3qsI3Y0zOZFKfZEHcpWiHU/Jxzk629Brsab/mMiHQti9wMP+845RPe3Vg=="
+    },
+    "json-stringify-safe": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/json-stringify-safe/-/json-stringify-safe-5.0.1.tgz",
+      "integrity": "sha1-Epai1Y/UXxmg9s4B1lcB4sc1tus="
+    },
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@@ -954,7 +1046,7 @@
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-      "resolved": "http://registry.npmjs.org/marked/-/marked-0.3.19.tgz",
+      "resolved": "https://registry.npmjs.org/marked/-/marked-0.3.19.tgz",
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@@ -963,6 +1055,19 @@
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     },
+    "mime-db": {
+      "version": "1.38.0",
+      "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.38.0.tgz",
+      "integrity": "sha512-bqVioMFFzc2awcdJZIzR3HjZFX20QhilVS7hytkKrv7xFAn8bM1gzc/FOX2awLISvWe0PV8ptFKcon+wZ5qYkg=="
+    },
+    "mime-types": {
+      "version": "2.1.22",
+      "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.22.tgz",
+      "integrity": "sha512-aGl6TZGnhm/li6F7yx82bJiBZwgiEa4Hf6CNr8YO+r5UHr53tSTYZb102zyU50DOWWKeOv0uQLRL0/9EiKWCog==",
+      "requires": {
+        "mime-db": "~1.38.0"
+      }
+    },
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@@ -985,7 +1090,6 @@
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@@ -995,7 +1099,6 @@
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@@ -1082,7 +1185,6 @@
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@@ -1116,7 +1218,6 @@
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+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.31.tgz",
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+    },
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+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
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+    },
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@@ -1313,7 +1425,6 @@
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@@ -1323,9 +1434,8 @@
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-          "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-          "optional": true
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
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@@ -1415,6 +1525,40 @@
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+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
+      "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
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+        "aws4": "^1.8.0",
+        "caseless": "~0.12.0",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
+        "forever-agent": "~0.6.1",
+        "form-data": "~2.3.2",
+        "har-validator": "~5.1.0",
+        "http-signature": "~1.2.0",
+        "is-typedarray": "~1.0.0",
+        "isstream": "~0.1.2",
+        "json-stringify-safe": "~5.0.1",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
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+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.4.3",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.3.2"
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@@ -1490,7 +1634,6 @@
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@@ -1522,8 +1665,7 @@
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-      "optional": true
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@@ -1543,14 +1685,12 @@
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-      "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc=",
-      "optional": true
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-      "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0=",
-      "optional": true
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@@ -1615,6 +1755,23 @@
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+      "requires": {
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+        "node-pre-gyp": "^0.11.0",
+        "request": "^2.87.0"
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+        }
+      }
+    },
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       "resolved": "https://registry.npmjs.org/squel/-/squel-5.12.2.tgz",
@@ -1676,7 +1833,6 @@
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@@ -1693,9 +1849,8 @@
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -1760,11 +1914,35 @@
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     },
+    "tough-cookie": {
+      "version": "2.4.3",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+      "requires": {
+        "psl": "^1.1.24",
+        "punycode": "^1.4.1"
+      },
+      "dependencies": {
+        "punycode": {
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+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
+          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
+        }
+      }
+    },
     "triple-beam": {
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       "resolved": "https://registry.npmjs.org/triple-beam/-/triple-beam-1.3.0.tgz",
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     },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "requires": {
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       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
@@ -1810,6 +1988,14 @@
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+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "usb": {
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       "resolved": "https://registry.npmjs.org/usb/-/usb-1.5.0.tgz",
@@ -1881,7 +2067,6 @@
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@@ -1962,8 +2147,7 @@
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-      "optional": true
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
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   }
 }
diff --git a/package.json b/package.json
index 8e650fb..f4941aa 100644
--- a/package.json
+++ b/package.json
@@ -30,6 +30,7 @@
     "node-persist": "^3.0.4",
     "onoff": "^3.2.8",
     "restify": "^8.0.0",
+    "sqlite3": "^4.0.6",
     "squel": "^5.12.0",
     "uuid": "^3.1.0",
     "winston": "^3.2.1"