Version 0.3
Oasis name correction
Full rewrite of the parser and lexer
	- Introduction of ¤¤ context
	- Removal of sections:
		- Improved compatibility with python commentaries
Error localisation
Added multibackend support and python backend
Splitting the source files
Added basic readme file
Merge branch 'master' of https://github.com/FAngeletti/Hydra
New syntax and improved parser and lexer
New ocaml_interpreter backend
Fully featured ocaml interpreter mode
TODO : Simplify nesting rule for captured string.
Improved(?) GADT parser types and backends rewrite
Debugged parser and improved parsing error msg
Corrected latex backend
Corrected ocaml_i interpreter
Corrected _oasis file
Improved usability