Get the --interior option working.  Bump version
Add --matching capability.  Bump version.
Toggle hashrf algorithm to default.
Remove now-spurious dependence on unix package
Remove HSH dependency
Disable cleaning of output dir on windows.  Make UPGMA clustering default.
Make bitvec package dep conditional
Version bump for release.
Update website
Add PreProcessing module to cabal file.  Fixes #4.
Put some exception handling around the visualization step.  Fixes #3.
comments only: flag dangerous lazy IO... but really it's all over with lazy bytestrings
Wean phybin off of lazy bytestrings.  This should fix #2.
refactorings.  One rename and one type refactor.  Some cleanup.
Refactor: make the num_taxa field a sum type.
Make bootstrap collapsing of trees work
Add capability to pick default numtaxa in the absense of --numtaxa flag.
Add timeouts around graphviz calls... those were hanging
Defensive work-around for the cyclic structure bug #9.  We just timeout.
Added a sanity check that correctly catches the duplicate-name-in-dendrogram problem.