Added rule to neglect swap files and moved Connectors to a separate directory
Refactored codebase to use lower case directory names. Moved drawing symbols to separate module.
Corrected oscilloscope. Moved start() to __init__
Corrected Multivibrator mode 1 example
PEP8 Fixes
Refactored multivibrator and moved start() to __init__
Moved start() inside init
Refactor names in ic/base.py
Refacoctor names in tests and 7400 and 4000 series IC classes
Refactor names in tools/
Modified __init__.py