Add avatax_fingerprint, and check before hitting avatax API
Merge pull request #11 from blueapron/feature/smarter_tax_api_calls

Add avatax_fingerprint, and check before hitting avatax API
test improvements
pending tests addressed, logger cleanup, fingerprint changes
log skips

change fingerprint calculation

log fingerprint source changes

exclude additional tax in fp

relog

cost of mutex << cost of api call

mutex at instance level

not a mutex issue

not sure what is going on here

undo mutex, etc
Merge pull request #1 from blueapron/feature/avatax_fingerprint

Feature/avatax fingerprint