Init Alembic
Update amount columns from Numeric to Integer type
Fix #58, all amounts should be in cents now
Add missing Alembic in requirements
Update document for change from dollars to cents
Update integration test, from dollars to cents
Add alembic stamp when initializing db
Suppress logs of alembic when testing
Add test for alembic
Try to fix Travis-CI build failure caused by in-memory sqlite for alembic tests
Fix testing against postgresql failed issue
Fix a deadlock in alembic test
Fix typos
Fix confusing document of round_down_cent
Fix issue caused by unicode in document
Merge pull request #64 from victorlin/bugfix-amount-in-cent

Bugfix #58 amount in cent