0.1 First version, coded groups as analogs of fp groups

0.2 Rewrote from scratch. Implements semigroups and monoids. Has Mealy and FR elements as basic objects, groups are simply collections of these.

0.714285 Ready to show around, quite a few algorithms implemented.

0.857142 Submitted to GAP

0.99 added solid IMG code

2.0.0 Removed the Hurwitz stuff, now in separate package
