Merge branch 'master' into develop
QUGC-104 refactored Quandl::Data to use valid? and errors. Invalid data will not cause a standard error to be raised, it will just add it to data.errors
add quandl/support/attributes
refactor quandl data to use quandl/support/attributes ... internal data is stored in attributes and can be passed around more easily.
validation will unset cleaned flag
attrs
data needs to be cloned before cleaning to ensure pristine data remains untouched.
remove quandl data extraction since it happens at initialize
add quandl_utility
revise verison location
Version bump to 1.4.0
Updated changelog with commits from 1.4.0
revert
Version bump to 1.4.0
Updated changelog with commits from 1.4.0
update upgrade log
Merge branch 'develop'