v0.7.0
  - Fixes all compiler warnings
  - Fixes several bugs related to ROLE upgrades
  - Fixes table checks missing after upgrade
  - Adds --sql-log flag
  - Adds --version flag
  - Better SQL-Error presentation
  - Better test coverage, now using pytest3
  - Better usage information for CLI
  - Code coverage reports
  - Refactoring of many code parts
  - Removes support for column templates
  - Splits library from binary (cabal)
  - Started API and implementation docs
v0.6.0
  - Adds resolve complicated dependency issues
  - Adds resolve change of function return type (if function can be dropped)
  - Changes connection options to suppress SQL NOTICE messages
  - Fixes fundamental logic error in pgsqlUpdateFragile
    Without --perimit-data-deletion upgrades would not create objects etc.
  - Fixes constraints in schema public are not deleted
  - Renames Module to Schema
  - Copletely new Library structure
  - Reworked Documentation feature
  - Removes avoidable dependencies
  - Mostly uses Data.Text instead of String
  - Renames modules to schemas
v0.5.0
  - Adds proper deletion of obsolete functions
  - Changes to no data deletion as default for upgrades
v0.4.1
  - First release used in production