Update package description, bump version to 0.1.0.0
Added tag 0.1.0.0 for changeset 54255d499795
Implement mapWithKey
Implement traverseWithKey
Implement mapAccumWithKey
Implement mapAccum
Implement mapAccumRWithKey
Implement mapKeys

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extra : histedit_source : b8dee4178555b016c6edf6f998411ce183f9d4d1%2C8b374a431ac084c82fd473a9009799e67ef3549c
Implement mapAccumRWithKey
Implement CritBit Foldable instance
implement mapMaybeWithKey
Add unionWithKey
Add unionWith function.
Add test for unionR.
Rewrite unionL and unionR in terms of unionWithKey.
Add unions.
Add unionsWith
Merge pull request #21 from YoEight/map_withkeys

Implement mapWithKey
Merge
Merge pull request #22 from YoEight/traverseWithKey