Parser. Module renaming. Separators -> Symbols.
Parser. Add parsing of method formal parameters.

Using some ugly hacks which are commented inline.
Exploring new way of specifying test cases for parsing. It feels that it
is more convenient to write and read them in this way. Still need to
figure out a way to read failures from HUnit. Currently it is almost
impossible.
ParserSpec. Switch to using base names in success cases.
NameResolutionSpec. Whitespaces only.
NameResolutionSpec. Switch to using base names.