improved description of workflow in git.txt ... part of the old description did not actually match our Github workflow, so this is now rectified
Fix some items in des module that didn't get changed as they should have as part of #365 and #380
Minor update to comment in psfex code
Merge branch 'master' into #407
added trial drawK_Gaussian test, checking and debugging...
(#407)
made assert tests almost_equal, with decimal=15, passes
(#407)