main
remove useless typeof test
fix Prototype Pollution in mergeDeep, toJS, etc.
sort all imports via eslint
fix new proto key injection
Better type for reduce if not ininitial value is given
fix(IndexedCollection): `has(index)` on a lazy `Seq` of unknown size now checks index existence instead of searching for a value equal to the index
perf(Map): index large hash-collision buckets for faster lookups
Migrate some files to TS
fix(List): preserve undefined values when grown past 32 elements
fix(reverseFactory): use reversedSequence.size in __iterator instead of this
fix(Repeat): lastIndexOf returned size instead of size - 1
Migrate TrieUtils to TS
start migrating some files