v2.7.2

Implemented enhancements:

• Deprecate History.md #80

Fixed bugs:

• Tenant.switch! raises exception on first call / Postgresql #92
• NameError: instance variable @sequence_name not defined #81

Closed issues:

• Error creating tenant with uuid column #85
• enhanced db:create task breaks plugins compatibility #82
• Support disabling of full_migration_on_create #30