diff --git a/yarn.lock b/yarn.lock
index 74c7c4f..16a3a97 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -111,10 +111,6 @@ ansi-escapes@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/ansi-escapes/-/ansi-escapes-3.0.0.tgz#ec3e8b4e9f8064fc02c3ac9b65f1c275bda8ef92"
 
-ansi-regex@*, ansi-regex@^3.0.0:
-  version "3.0.0"
-  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
-
 ansi-regex@^0.2.0, ansi-regex@^0.2.1:
   version "0.2.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-0.2.1.tgz#0d8e946967a3d8143f93e24e298525fc1b2235f9"
@@ -123,6 +119,10 @@ ansi-regex@^2.0.0:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-2.1.1.tgz#c3b33ab5ee360d86e0e628f0468ae7ef27d654df"
 
+ansi-regex@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-3.0.0.tgz#ed0317c322064f79466c02966bddb605ab37d998"
+
 ansi-styles@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-1.1.0.tgz#eaecbf66cd706882760b2f4691582b8f55d7a7de"
@@ -260,8 +260,10 @@ asap@^2.0.0:
   resolved "https://registry.yarnpkg.com/asap/-/asap-2.0.6.tgz#e50347611d7e690943208bbdafebcbc2fb866d46"
 
 asn1@~0.2.3:
-  version "0.2.3"
-  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.3.tgz#dac8787713c9966849fc8180777ebe9c1ddf3b86"
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/asn1/-/asn1-0.2.4.tgz#8d2475dfab553bb33e77b54e59e880bb8ce23136"
+  dependencies:
+    safer-buffer "~2.1.0"
 
 assert-plus@1.0.0, assert-plus@^1.0.0:
   version "1.0.0"
@@ -845,8 +847,8 @@ basic-auth@~2.0.0:
     safe-buffer "5.1.1"
 
 bcrypt-pbkdf@^1.0.0:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.1.tgz#63bc5dcb61331b92bc05fd528953c33462a06f8d"
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz#a4301d389b6a43f9b67ff3ca11a3f6637e360e9e"
   dependencies:
     tweetnacl "^0.14.3"
 
@@ -1787,7 +1789,7 @@ debug@^3.0.1, debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
-debuglog@*, debuglog@^1.0.1:
+debuglog@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/debuglog/-/debuglog-1.0.1.tgz#aa24ffb9ac3df9a2351837cfb2d279360cd78492"
 
@@ -1877,10 +1879,11 @@ dot-prop@^4.1.0:
     is-obj "^1.0.0"
 
 ecc-jsbn@~0.1.1:
-  version "0.1.1"
-  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
+  version "0.1.2"
+  resolved "https://registry.yarnpkg.com/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz#3a83a904e54353287874c564b7549386849a98c9"
   dependencies:
     jsbn "~0.1.0"
+    safer-buffer "^2.1.0"
 
 editions@^1.1.1:
   version "1.3.3"
@@ -3289,7 +3292,7 @@ ignore@^3.3.3:
   version "3.3.7"
   resolved "https://registry.yarnpkg.com/ignore/-/ignore-3.3.7.tgz#612289bfb3c220e186a58118618d5be8c1bab021"
 
-imurmurhash@*, imurmurhash@^0.1.4:
+imurmurhash@^0.1.4:
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/imurmurhash/-/imurmurhash-0.1.4.tgz#9218b9b2b928a238b13dc4fb6b6d576f231453ea"
 
@@ -3818,7 +3821,7 @@ lodash._basefor@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/lodash._basefor/-/lodash._basefor-3.0.3.tgz#7550b4e9218ef09fad24343b612021c79b4c20c2"
 
-lodash._baseindexof@*, lodash._baseindexof@^3.0.0:
+lodash._baseindexof@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash._baseindexof/-/lodash._baseindexof-3.1.0.tgz#fe52b53a1c6761e42618d654e4a25789ed61822c"
 
@@ -3830,13 +3833,6 @@ lodash._baseisequal@^3.0.0:
     lodash.istypedarray "^3.0.0"
     lodash.keys "^3.0.0"
 
-lodash._baseuniq@*:
-  version "4.6.0"
-  resolved "https://registry.yarnpkg.com/lodash._baseuniq/-/lodash._baseuniq-4.6.0.tgz#0ebb44e456814af7905c6212fa2c9b2d51b841e8"
-  dependencies:
-    lodash._createset "~4.0.0"
-    lodash._root "~3.0.0"
-
 lodash._baseuniq@^3.0.0:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/lodash._baseuniq/-/lodash._baseuniq-3.0.3.tgz#2123fa0db2d69c28d5beb1c1f36d61522a740234"
@@ -3845,11 +3841,11 @@ lodash._baseuniq@^3.0.0:
     lodash._cacheindexof "^3.0.0"
     lodash._createcache "^3.0.0"
 
-lodash._bindcallback@*, lodash._bindcallback@^3.0.0:
+lodash._bindcallback@^3.0.0:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/lodash._bindcallback/-/lodash._bindcallback-3.0.1.tgz#e531c27644cf8b57a99e17ed95b35c748789392e"
 
-lodash._cacheindexof@*, lodash._cacheindexof@^3.0.0:
+lodash._cacheindexof@^3.0.0:
   version "3.0.2"
   resolved "https://registry.yarnpkg.com/lodash._cacheindexof/-/lodash._cacheindexof-3.0.2.tgz#3dc69ac82498d2ee5e3ce56091bafd2adc7bde92"
 
@@ -3861,16 +3857,12 @@ lodash._createassigner@^3.0.0:
     lodash._isiterateecall "^3.0.0"
     lodash.restparam "^3.0.0"
 
-lodash._createcache@*, lodash._createcache@^3.0.0:
+lodash._createcache@^3.0.0:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/lodash._createcache/-/lodash._createcache-3.1.2.tgz#56d6a064017625e79ebca6b8018e17440bdcf093"
   dependencies:
     lodash._getnative "^3.0.0"
 
-lodash._createset@~4.0.0:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/lodash._createset/-/lodash._createset-4.0.3.tgz#0f4659fbb09d75194fa9e2b88a6644d363c9fe26"
-
 lodash._createwrapper@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/lodash._createwrapper/-/lodash._createwrapper-2.3.0.tgz#d1aae1102dadf440e8e06fc133a6edd7fe146075"
@@ -3889,7 +3881,7 @@ lodash._escapestringchar@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/lodash._escapestringchar/-/lodash._escapestringchar-2.3.0.tgz#cce73ae60fc6da55d2bf8a0679c23ca2bab149fc"
 
-lodash._getnative@*, lodash._getnative@^3.0.0:
+lodash._getnative@^3.0.0:
   version "3.9.1"
   resolved "https://registry.yarnpkg.com/lodash._getnative/-/lodash._getnative-3.9.1.tgz#570bc7dede46d61cdcde687d65d3eecbaa3aaff5"
 
@@ -3924,10 +3916,6 @@ lodash._reunescapedhtml@~2.3.0:
     lodash._htmlescapes "~2.3.0"
     lodash.keys "~2.3.0"
 
-lodash._root@~3.0.0:
-  version "3.0.1"
-  resolved "https://registry.yarnpkg.com/lodash._root/-/lodash._root-3.0.1.tgz#fba1c4524c19ee9a5f8136b4609f017cf4ded692"
-
 lodash._setbinddata@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/lodash._setbinddata/-/lodash._setbinddata-2.3.0.tgz#e5610490acd13277d59858d95b5f2727f1508f04"
@@ -4031,14 +4019,10 @@ lodash.identity@~2.3.0:
   version "2.3.0"
   resolved "https://registry.yarnpkg.com/lodash.identity/-/lodash.identity-2.3.0.tgz#6b01a210c9485355c2a913b48b6711219a173ded"
 
-lodash.isarguments@*, lodash.isarguments@^3.0.0:
+lodash.isarguments@^3.0.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/lodash.isarguments/-/lodash.isarguments-3.1.0.tgz#2f573d85c6a24289ff00663b491c1d338ff3458a"
 
-lodash.isarray@*:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-4.0.0.tgz#2aca496b28c4ca6d726715313590c02e6ea34403"
-
 lodash.isarray@^3.0.0:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/lodash.isarray/-/lodash.isarray-3.0.4.tgz#79e4eb88c36a8122af86f844aa9bcd851b5fbb55"
@@ -4057,10 +4041,6 @@ lodash.istypedarray@^3.0.0:
   version "3.0.6"
   resolved "https://registry.yarnpkg.com/lodash.istypedarray/-/lodash.istypedarray-3.0.6.tgz#c9a477498607501d8e8494d283b87c39281cef62"
 
-lodash.keys@*:
-  version "4.2.0"
-  resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-4.2.0.tgz#a08602ac12e4fb83f91fc1fb7a360a4d9ba35205"
-
 lodash.keys@^3.0.0:
   version "3.1.2"
   resolved "https://registry.yarnpkg.com/lodash.keys/-/lodash.keys-3.1.2.tgz#4dbc0472b156be50a0b286855d1bd0b0c656098a"
@@ -4107,7 +4087,7 @@ lodash.pairs@^3.0.0:
   dependencies:
     lodash.keys "^3.0.0"
 
-lodash.restparam@*, lodash.restparam@^3.0.0:
+lodash.restparam@^3.0.0:
   version "3.6.1"
   resolved "https://registry.yarnpkg.com/lodash.restparam/-/lodash.restparam-3.6.1.tgz#936a4e309ef330a7645ed4145986c85ae5b20805"
 
@@ -5168,7 +5148,7 @@ readable-stream@~2.0.5:
     string_decoder "~0.10.x"
     util-deprecate "~1.0.1"
 
-readdir-scoped-modules@*, readdir-scoped-modules@^1.0.0:
+readdir-scoped-modules@^1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/readdir-scoped-modules/-/readdir-scoped-modules-1.0.2.tgz#9fafa37d286be5d92cbaebdee030dc9b5f406747"
   dependencies:
@@ -5471,6 +5451,10 @@ safe-json-parse@~1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/safe-json-parse/-/safe-json-parse-1.0.1.tgz#3e76723e38dfdda13c9b1d29a1e07ffee4b30b57"
 
+safer-buffer@^2.0.2, safer-buffer@^2.1.0, safer-buffer@~2.1.0:
+  version "2.1.2"
+  resolved "https://registry.yarnpkg.com/safer-buffer/-/safer-buffer-2.1.2.tgz#44fa161b0187b9549dd84bb91802f9bd8385cd6a"
+
 sane@^1.1.1, sane@^1.6.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/sane/-/sane-1.7.0.tgz#b3579bccb45c94cf20355cc81124990dfd346e30"
@@ -5742,17 +5726,17 @@ sri-toolbox@^0.2.0:
   resolved "https://registry.yarnpkg.com/sri-toolbox/-/sri-toolbox-0.2.0.tgz#a7fea5c3fde55e675cf1c8c06f3ebb5c2935835e"
 
 sshpk@^1.7.0:
-  version "1.13.1"
-  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.13.1.tgz#512df6da6287144316dc4c18fe1cf1d940739be3"
+  version "1.16.1"
+  resolved "https://registry.yarnpkg.com/sshpk/-/sshpk-1.16.1.tgz#fb661c0bef29b39db40769ee39fa70093d6f6877"
   dependencies:
     asn1 "~0.2.3"
     assert-plus "^1.0.0"
-    dashdash "^1.12.0"
-    getpass "^0.1.1"
-  optionalDependencies:
     bcrypt-pbkdf "^1.0.0"
+    dashdash "^1.12.0"
     ecc-jsbn "~0.1.1"
+    getpass "^0.1.1"
     jsbn "~0.1.0"
+    safer-buffer "^2.0.2"
     tweetnacl "~0.14.0"
 
 "statuses@>= 1.3.1 < 2":
@@ -5796,12 +5780,6 @@ stringstream@~0.0.4, stringstream@~0.0.5:
   version "0.0.5"
   resolved "https://registry.yarnpkg.com/stringstream/-/stringstream-0.0.5.tgz#4e484cd4de5a0bbbee18e46307710a8a81621878"
 
-strip-ansi@*, strip-ansi@^4.0.0:
-  version "4.0.0"
-  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
-  dependencies:
-    ansi-regex "^3.0.0"
-
 strip-ansi@^0.3.0:
   version "0.3.0"
   resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-0.3.0.tgz#25f48ea22ca79187f3174a4db8759347bb126220"
@@ -5814,6 +5792,12 @@ strip-ansi@^3.0.0, strip-ansi@^3.0.1:
   dependencies:
     ansi-regex "^2.0.0"
 
+strip-ansi@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/strip-ansi/-/strip-ansi-4.0.0.tgz#a8479022eb1ac368a871389b635262c505ee368f"
+  dependencies:
+    ansi-regex "^3.0.0"
+
 strip-bom@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/strip-bom/-/strip-bom-3.0.0.tgz#2334c18e9c759f7bdd56fdef7e9ae3d588e68ed3"
@@ -6144,7 +6128,7 @@ uuid@^3.0.0, uuid@^3.1.0:
   version "3.1.0"
   resolved "https://registry.yarnpkg.com/uuid/-/uuid-3.1.0.tgz#3dd3d3e790abc24d7b0d3a034ffababe28ebbc04"
 
-validate-npm-package-license@*, validate-npm-package-license@^3.0.1:
+validate-npm-package-license@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/validate-npm-package-license/-/validate-npm-package-license-3.0.1.tgz#2804babe712ad3379459acfbe24746ab2c303fbc"
   dependencies: