More modular reader class of ProbModelXML
minor change
Merge pull request #100 from ankurankan/dev

Modular Reader class for ProbModelXML
corrects __init__ method of ProbModelReader
adds doc about the structure of probnet object
Merge pull request #101 from ankurankan/dev

Adds doc about the structure of probnet object
adds edge directivity parsing capability
corrects ProbModelXMLWriter class
Merge pull request #102 from ankurankan/dev

corrects ProbModelXMLWriter class
updated coveragerc to omit lxml
Merge pull request #103 from ankurankan/dev

updated coveragerc to omit lxml
adds factor product method closes #93
Merge pull request #104 from ankurankan/dev

adds factor product method closes #93
Added Factor class' init method's docstring
Merge pull request #105 from ankurankan/dev

Docstring for init method of Factor class
__str__ method for Factor class
Merge pull request #106 from ankurankan/dev

__str__ method for Factor class
corrects minor bug
Base class for Joint Probability Distribution
Merge pull request #108 from ankurankan/dev

Base class for Joint Probability Distribution