Organize/Cleanup code

[lionaneesh]

The code is literally cluttered all over one file i.e server.py, and most of it is undocumented.

Some cleaup ideas :-

1. Create new files for classes
2. Create new files for functions we are using
3. Document classes
4. Document functions.

Should be a good startup task for anyone willing to get a grasp of the codebase.

easyfix