Shim RegExp
Return this from deleteEach
Implement a max Heap
Document peek and poke
Implement Dict reduceRight
Clean up zip, unzip, enumerator, sum, every

-   Add enumerate to Arrays
-   Add enumerate to generic collections
-   Expose transpose (originally in generic collections) as Array.unzip
-   Rename Iterator transpose to unzip
-   Distinguish Iterator enumerate from enumerateIterator
-   Remove superfluous iterator implementations of every and some
-   Inherit explicit generics into Iterator from GenericCollection.
    Some are not applicable, like addEach and deleteEach.
-   Update documentation.
Allow equals override in generic deleteEach
Allow default fallback on Array get
Allow nested equals override in Array equals
Remove obsolete note on generic inheritance in SortedMap
0.1.7