Merge pull request #96 from fleur/master

finished writing some partials tests.  ones that don't pass commented out
(test) updated lambdas tests
Merge pull request #97 from jangahroo/master

(test) updated lambdas tests
Adding memstream.rs to implement a custom memstream struct
(refactor) updates to compiler and parser
(doc) added commenting for parser
(doc) added developer comments to compiler
Implemented MemStream with tests
Merge pull request #98 from jangahroo/master

(doc) added developer comments for parser and compiler
Exported memstream to a crate that is now a rustache dependency
Adding memstream.rs to implement a custom memstream struct
Implemented MemStream with tests
Exported memstream to a crate that is now a rustache dependency
Fixed some typos in rustache.rs
Fixing merge conflicts
Fixing more merge conflicts
Adding memstream.rs to implement a custom memstream struct
Implemented MemStream with tests
Exported memstream to a crate that is now a rustache dependency
Fixed merge conflicts in README.md