Make STL containers opaque

Merge pull request #36 from masakistan/save

make values in dictionary opaque

Auto Deploy

Fix for Travis CI building MacOS wheels for different Python versions (3.4, 3.5, 3.6).

add save to disk

1.0.2

bump version number

Parallel insertion & ambiguous nucleotides

This release implements parallel insertion of kmers into the data structures and throws an error when an ambiguous character is inserted.

Code Cleanup

We've removed some unnecessary pieces of code and optimized methods.

bugfix

bug fix for counter

kmer counting

kcounter, kset and kdict all functioning now.