v4 beta

.gitignore

@@ -1,7 +1,5 @@
-__tests__/runner/*
-
-# comment out in distribution branches
-node_modules/
+# Dependency directory
+node_modules
 
 # Rest pulled from https://github.com/github/gitignore/blob/master/Node.gitignore
 # Logs
@@ -91,3 +89,10 @@ typings/
 
 # DynamoDB Local files
 .dynamodb/
+
+# OS metadata
+.DS_Store
+Thumbs.db
+
+# Ignore built ts files
+lib/**/*