Data.List: add permutations
Data.List: fix typo
Data.List: delete unneccesary variable
Data.List: doc: add description about string in permutations
Data.List: spec: separate test case in permutations
Data.List: delete unnecessary calculation
Merge pull request #212 from aomoriringo/master

Data.List: add permutations
test: Add .themisrc
test: Rewrite the test for Bitwise module by themis as sample
test: Add config of travis for themis
Merge pull request #213 from vim-jp/themis-test

themis.vim でテストする
Merge branch 'master' of ssh://github.com/vim-jp/vital.vim
Data.List: remove string input in permutations