QUGC-189 logger does not require core_ext object
update quandl_logger with quandl_utility
Version bump to 0.1.0
Updated changelog with commits from 0.1.0
udpate ugprade
Version bump to 0.2.0
Updated changelog with commits from 0.2.0
Version bump to 0.3.0
Updated changelog with commits from 0.3.0
read version from file
Version bump to 0.3.1
Updated changelog with commits from 0.3.1