attributes for JSOC client added
Tests added
PEP8 fixes and changlelog entry
Added wave length attribute, some corresponding tests
Raise exception on incorrect usage of WaveLength
rebasing done
Changelog changed
derdon
's changes incorporated
tab issues resolved
Formatting issues
resolution of formatting problem
Error message added
corrected the error message.
Parametrized test function
init file added in test folder
Merge branch 'master' of https://github.com/sunpy/sunpy into jsocattrs
Changelog Conflict removal
internal database package refactor: use composite pattern for managing commands
removed unused assignments and imports
pep8 fixes