Add new method using Wagner-Fischer algorithm.
Add method with iterative version of Wagner-Fischer algorithm.
use iterators in python 2
swap out default method
make generated test suite
remove reference to unittest2, since it wasn't used anyway
bump version
add travis ci
update travis yml
Allow direct test execution
add reverse tests and fix typo
update python versions
no py 2.5 on travis
add small benchmark script
update docs
add damerau levenshtein function
Merge pull request #2 from mbarkhau/master

Added methods using Wagner-Fischer algorithm