Enable FormattedStr
(#315)
Add unit tests for both FormattedStr and NumberedFile
(#315)
Use FormattedStr in demo9
(#315)
Add in the allowed capital formats for FormattedStr
(#315)
Remove unneccessary quotes for format in yaml file
(#315)
Merge branch 'master' into #315
Add this branch's changes to CHANGELOG
(#315)
Merge branch 'master' into #315
Merge pull request #339 from GalSim-developers/#315

#315 FormattedStr
Merge branch 'master' into #299

Conflicts:
	CHANGELOG.md