Moves parser to dollphie/parser.

--HG--
rename : src/parser/index.ls => src/dollphie/parser.ls
Preprocessing.
Adds lexer to the ast
Parses dollphie stuff.
Adds line number.
Updates parsing.combinators version.
Transform the AST into higher-level tokens.
...
Removes uncessary dependency on slug.
Renames resolve to normalise.

--HG--
rename : src/dollphie/resolve.ls => src/dollphie/normalise.ls
Allows an optional white space after the comment characters.
Resolving the AST into a list of entities