Version 0.1.5

# IMPORTANT: Changed structure of PatternsLib - Regular expressions are no longer stored in Python class, but in separate JSON files inside nuaal/data/patterns/<device-type>,
# Added class RegexBuilder which can be used for testing Regular Expressions and saving them to a JSON file
# Minor bug fixes

Version 0.1.4

# Fixed issue when CiscoIOSParser would not match entries in "show inventory" output, which contained '&' symbol in description field
# Added 'xlsxwriter' to requirements