Merge pull request #14 from escherba/r_update

user operator map for interpreting config
Merge pull request #15 from escherba/r_update

allow either simhash or minhash sketches in minhash signer
Merge pull request #16 from escherba/master

support more exotic n-grams
Merge pull request #17 from escherba/master

v0.1.0
Merge pull request #88 from Livefyre/master

sync