Update docs for isArrayLike, isArguments
Remove documentation moved to README
Lint
Remove fastForIndex() since it is not consistently faster.
Make forEach() mucho mas rapido
Remove extra wrapper function on isArray()
Add faster version of forIndex() and forEach()
Increase perf on forOwn()
Update isArrayLike() => isArrayLikeObject()

* excludes strings
* includes arrays
Add primitive draft of difference and related functions

* update indexOf() and complexIndexOf() to accept fromIndex input
  to offset the starting point of the indexing.
* add primitive draft of createLocalCache()