Refactor of Trie class
Adding documentation
Adding tests
Adding fasta_to_pairlist functionality
Fixing Yoshiki's bug
Addressing @wasade's comments and solving merge conflicts
Merge branch 'master' of https://github.com/biocore/bipy into trie
Fixing documentation issues
Merge pull request #157 from josenavas/trie

Port Trie object to scikit-bio