renamed nodeDataStruct to node, added gitignore for __pycache__
renamed wifi_signal_strength_connected to get_strength_connected, included param for selecting wifi cards, now returns and int of the strength
changed Node to an object, added wrapper functions for reading signal strength and servo movement
updated to ignore node and search files, but not to ignore node.py and search.py
binary search function for static APs
simple main program to test with