Added first (buggy, slow and uncompleted) Dragon parser in Python.
Fixed some parser bugs.
Mainly added meta.py (which represents metainformation and is used to compile the structere to llvm assembly)
Added some more code to metarepresentation of Dragon's code.
Added struct type to meta.py. Added some notes for class inheritance LLVM implementation.
Postponed inheritance implementation with virtual functions.
Merge branch 'master' into devel (fixed README.md file)

Conflicts:
	README.md
Modified README.md file
Started rewriting Meta subsystem.