Merge pull request #7 from Livefyre/r_update

some (micro-) optimizations
Merge pull request #8 from escherba/r_update

add more doc-tests
Merge pull request #75 from escherba/r_update

some possibly unnecessary micro-optimizations; also add more doc-tests
Merge pull request #76 from escherba/r_update

parameterize seeds
Merge pull request #9 from escherba/master

parameterize seeds
udpate lflearn for testsing
Merge pull request #77 from escherba/r_update

udpate lflearn for testsing
Merge pull request #10 from escherba/master

update lflearn req
Merge pull request #78 from Livefyre/master

make up-to-date
update lflearn req
Merge pull request #11 from escherba/r_update

update lflearn req
Merge pull request #79 from escherba/r_update

update lflearn req
act on kmin during init
reuse hashed n-grams for building of sketches
Merge pull request #12 from escherba/r_update

reuse hashed n-grams for building of sketches
Merge pull request #80 from escherba/r_update

reuse hashed n-grams for building of sketches
Merge pull request #81 from Livefyre/master

sync
Merge pull request #13 from escherba/master

sync (2)
Merge pull request #82 from Livefyre/master

Merge pull request #13 from escherba/master
user operator map for interpreting config