Tags: akc/sym

Enable Travis CI

LICENSE: Bump year

Fix error in izipWith

Major rewrite.

This breaks just about everything from v0.8

'newtype' instead of 'type' for Perm instances, except for String

Introduce convenience functions stat, contains and avoids

Also rename previous function avoids as avoidsAll, thus breaking the
API. Bump version to 0.7

Test minima and maxima; fix a bug!

Define inflations

Document Class in sym.cabal

Introduce a new module implementing common permutation classes.