Seperating statements.
Updated the .gitignore file to ignore byte-compiled files and files used while testing.
Made Statement a seperate type.
Updated the Design.
Minor Changes
Removed the testing code from these files and intending to ceate a seperate test file.
Added the __init__.py file to make parser a module.
Added the test script for the parser module.
Sanitized code: Phase 1
Updated the gitignore.
Updated the gitignore.
Statements are now classified into various types.