diff --git a/package-lock.json b/package-lock.json
index bbf751a..6d36062 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "js-immutable",
-  "version": "0.0.6",
+  "version": "0.0.7",
   "lockfileVersion": 1,
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@@ -36,7 +36,7 @@
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-      "resolved": "http://registry.npmjs.org/acorn/-/acorn-2.7.0.tgz",
+      "resolved": "https://registry.npmjs.org/acorn/-/acorn-2.7.0.tgz",
       "integrity": "sha1-q259nYhqrKiwhbwzEreaGYQz8Oc=",
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@@ -60,7 +60,7 @@
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         "acorn": {
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
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@@ -93,6 +93,7 @@
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       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "dev": true,
+      "optional": true,
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@@ -109,7 +110,8 @@
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       "integrity": "sha1-SlKCrBZHKek2Gbz9OtFR+BfOkfU=",
-      "dev": true
+      "dev": true,
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@@ -261,7 +263,7 @@
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-      "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
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@@ -1225,6 +1227,7 @@
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       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
+      "dev": true,
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@@ -1404,6 +1407,7 @@
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       "dev": true,
+      "optional": true,
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@@ -1419,7 +1423,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -1941,6 +1946,7 @@
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       "dev": true,
+      "optional": true,
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         "buffer-fill": "^1.0.0"
@@ -1950,13 +1956,15 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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       "integrity": "sha1-+PeLdniYiO858gXNY39o5wISKyw=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2070,6 +2078,7 @@
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       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
       "dev": true,
+      "optional": true,
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@@ -2130,7 +2139,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -2361,7 +2371,7 @@
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-          "resolved": "http://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-2.0.3.tgz",
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           "dev": true
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@@ -2415,7 +2425,8 @@
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+      "integrity": "sha512-RszJCAxg/PP6uzXVXL6BsxSXx/B05oJAQ2vkJRjyjrEcNVycaqOmNb5OTxZPE3xa5gwZduqza6L9JOCenh/Ecw==",
+      "dev": true
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@@ -3004,6 +3015,7 @@
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       "dev": true,
+      "optional": true,
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@@ -3338,7 +3350,7 @@
       "dependencies": {
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-          "resolved": "http://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-1.5.0.tgz",
           "integrity": "sha1-N53Ocw9hZvds76TmcHoVmwLFpvo=",
           "dev": true,
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@@ -3704,7 +3716,8 @@
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           "integrity": "sha1-qJS3XUvE9s1nnvMkSp/Y9Gri1Cg=",
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -3984,7 +3997,8 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4168,7 +4182,8 @@
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-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -4213,7 +4228,8 @@
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           "version": "2.1.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4234,12 +4250,14 @@
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           "version": "1.0.0",
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-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4254,17 +4272,20 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4381,7 +4402,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4393,6 +4415,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4407,6 +4430,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4414,12 +4438,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4438,6 +4464,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -4518,7 +4545,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "4.1.1",
@@ -4530,6 +4558,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4615,7 +4644,8 @@
         "safe-buffer": {
           "version": "5.1.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4651,6 +4681,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4670,6 +4701,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4713,12 +4745,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.2",
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-          "dev": true
+          "dev": true,
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@@ -5962,7 +5996,7 @@
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-          "resolved": "http://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
+          "resolved": "https://registry.npmjs.org/core-js/-/core-js-1.2.7.tgz",
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@@ -6036,7 +6070,7 @@
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-          "resolved": "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz",
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@@ -6085,7 +6119,8 @@
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@@ -6324,7 +6359,8 @@
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@@ -6538,7 +6574,7 @@
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-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
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@@ -7217,9 +7253,9 @@
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-      "integrity": "sha1-uULm1L3mUwBe9rcTYd74cn0GReA=",
+      "version": "1.1.1",
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@@ -7885,7 +7922,7 @@
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@@ -8250,7 +8287,8 @@
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@@ -8504,6 +8542,7 @@
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@@ -8519,7 +8558,7 @@
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-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -9448,7 +9490,8 @@
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@@ -9518,6 +9561,7 @@
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       "integrity": "sha1-XPne6D1rd4YcPWxE1ThZrterBHk=",
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@@ -9528,9 +9572,10 @@
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-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz",
           "integrity": "sha1-nJkJQXbhIkDLItbFFGCYQA/g99Q=",
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@@ -9540,6 +9585,7 @@
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