Added support for flat tree dump - no line breaks if '--dump-ast=flat'
specified.
Renamed MiniLAX.Parsing.Printer to TokenPrinter, too many Printers.
Added simple example of jasmin code generation.
Parsing monad totally extracted to other file (MiniLAX.Parsing)
Not much done, just to save before completely changing the AST
Added prototype of symbol table builder.
Added diagnostic message module.
Added some auxilary functions to MiniLAX.Diagnostic
Moved printable instances of AST elements to MiniLAX.AST, to avoid
orphaned instances warning.
Finished happy-case symbol table building.
Added Functor instance for PrinterMonad.