Updated README With Test Instructions

Added a section on how to get the 6502 tests running
Add Troubleshooting Log

Added a Log with the current state of troubleshooting the 6502 tests
Fixed the Throws_Exception_When_OpCode_Is_Invalid unit test
Added Common Logging Log when debugging
Fixed 2 bugs in the simulator

Memory and Stack where not being updated correctly.
Was not showing the initial operation in the history window after
loading a new program.