Added support for trailing Z in UTC time
Fixed error message, added tests for trailing Z
Ensure name-less columns can be printed, plus test case and bug-fix note.
Added exception test for non-utc
str -> six.text_type, move change to 0.3.2 bug-fix section
Merge pull request #2213 from mhvk/column-no-name-header

Column with no name cannot be printed
Don't fail -P if docs missing
Update development_workflow.rst

typo fix
Merge pull request #2220 from larrybradley/patch-1

Update development_workflow.rst
Made CDS reader allow for multiple lines of file descriptions
Tested multi-line file descriptions by altering test README file
Added note in CHANGES.rst
Added another CDS test
minor typo
Moved CHANGES.rst note to correct place
Included CDS data file for test
Merge pull request #2228 from hamogu/patch-1

minor typo
Included test file in setup_package
Merge pull request #2225 from amras1/cds-multiple-lines

Make CDS reader handle multiple description lines
Add dex, dB units; skip tests for mag,dB.decompose() for CDS, VOUNIT
since these do not know dex