Save st

added 6 commits

• ee760953...67857e05 - 2 commits from branch master
• 92ee64da - prepost: postpro bearing damage, zipchunks for failed cases
• 09bc37ec - prepost: remove verbose fail print statements
• c2be491e - prepost: check for failed cases AFTER merging post-pro
• db469bb9 - hawc2.StFile: add method to save st file (plus test)

Compare with previous version

added 4 commits

• db469bb9...a6ba4dae - 3 commits from branch master
• c1cddc59 - hawc2.StFile: add method to save st file (plus test)

Compare with previous version

merged

@mmpe now you didn't review it :-)

it looks fine