minor cleanup
make WFLock removal test more abstract due to difficulty in overriding the default WFLock expiration for test purposes
temporary revert of state_ranks, which would cause FIZZLED fireworks to potentially run! More permanent fix in progress
add _fw_name for PyTask, since no explicit_serialize given
add test for fizzled to prevent major error as occurred in v0.86
add a test for defusing FW
add similar test for archive wf
update STATE_RANKS properly, with concurrent update to refresh() rankings
fix pytask usage
update to v0.87
update DOI badge
Merge branch 'master' of github.com:materialsproject/fireworks into misc_bharat