Made examples execute the ProbPy code in its directory
Implemented network instantiation
Undid mistaken additions to the example files
First implementation of Markov Networks and Sum-Product Algorithm
Made documentation for the Markov Network implementations
Implemented observations to the sumProduct algorithm
Updated documentation and PEP8
Changed import instruction in setup.py to have develop command
Implemented belief propagation
Corrected bug with belief propagation algorithm
Implemented node instantiation for Markov Networks
Added observed messages to the Markov Network implementation
Made documentation for Markov Networks