Upgrade to support new version

pubspec.lock

@@ -7,21 +7,21 @@ packages:
       name: async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.7"
+    version: "2.0.8"
   charcode:
     dependency: transitive
     description:
       name: charcode
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.1"
+    version: "1.1.2"
   collection:
     dependency: transitive
     description:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.14.6"
+    version: "1.14.11"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -33,14 +33,14 @@ packages:
       name: http
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.11.3+16"
+    version: "0.12.0"
   http_parser:
     dependency: transitive
     description:
       name: http_parser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.1.2"
+    version: "3.1.3"
   image_picker:
     dependency: "direct main"
     description:
@@ -48,41 +48,34 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.4.2"
-  matcher:
-    dependency: transitive
-    description:
-      name: matcher
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.12.2+1"
   meta:
     dependency: transitive
     description:
       name: meta
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.5"
+    version: "1.1.6"
   path:
     dependency: transitive
     description:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.5.1"
+    version: "1.6.2"
   path_provider:
     dependency: "direct main"
     description:
       name: path_provider
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.2.2"
+    version: "0.4.1"
   petitparser:
     dependency: transitive
     description:
       name: petitparser
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.7.6"
+    version: "2.0.2"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -94,63 +87,56 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "1.4.1"
   sprintf:
     dependency: "direct main"
     description:
       name: sprintf
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.2"
+    version: "4.0.0"
   sqflite:
     dependency: "direct main"
     description:
       name: sqflite
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.9"
-  stack_trace:
-    dependency: transitive
-    description:
-      name: stack_trace
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.9.2"
+    version: "0.12.2+1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.0.2"
+    version: "1.0.4"
   synchronized:
     dependency: transitive
     description:
       name: synchronized
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.4.0"
+    version: "1.5.3"
   typed_data:
     dependency: transitive
     description:
       name: typed_data
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.1.5"
+    version: "1.1.6"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.0.6"
+    version: "2.0.8"
   xml:
     dependency: "direct main"
     description:
       name: xml
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "3.0.0"
+    version: "3.2.3"
 sdks:
-  dart: ">=2.0.0-dev.35 <=2.0.0-dev.55.0.flutter-97b6c2e09d"
+  dart: ">=2.0.0 <3.0.0"
   flutter: ">=0.1.4 <2.0.0"