Add missing lfreshen' functions for some base types.
Export 'lfreshen' from Operations
Fix bug in nthPatFind that always substituted the first var of a pattern
for bound variables.
Fix bug in aeq' for AnyName
Fix bug in 'swaps' on Embed patterns.
Haddock munging.  Bumped version to 0.0.0.90
Add 'lunbind2' operation.
minor docs cleanup
Switch to 'tasty' for testing.
Bump version to 0.0.1
constrain travis to use optparse-applicative == 0.10.0
Also update travis install command.
Merge pull request #4 from sdiehl/master

ported LC example from unbound
remove optparse-applicative constraint from .travis.yml
Tasty was updated.
haddock clarifications.
Started adding QuickCheck properties about 'Alpha'