combine 1.3.0

Parser combinators based on the Haskell library parsec.
Documentation 
# Changelog


## Version 1.2.0


* Added `look_ahead` [PR #50](https://github.com/Marwes/combine/pull/50)

## Version 1.1.0


* Added `env_parser` [PR #49](https://github.com/Marwes/combine/pull/49)