JsArrayList improvements.
JsSafeSet renamed to JsArraySet.
JsFastSet docs.
JsHashTable.
Added new test cases to test suite.
JsHashTable improvements.
JsHashSet implementation.
Refactored JsArrayList o extend from AbstractList.
Refactored Js*Set to extend from AbstractSet.
JsHashTable docs.
JsMap improvements.
Copyright header.
Removed JsMap specific implementations.
Renamed JsMapWrapper to JsFastMap.