(test) removed end-to-end tests from lib and updated files
(test) added partials testing suite
(test) updated partials tests, implemented lambdas testing
Merge pull request #92 from jangahroo/master

(test) removed end-to-end tests in lib, added partials and lambdas testing
Fixing merge conflicts in lib.rs
Added all inverted spec tests and commented out non-passing ones
Fixing merge conflicts in lib.rs