ghc-monad-logger-0.3.19-2.2

- update to version 0.3.19 revision 0
  * Add CallStack-based functions and Control.Monad.Logger.CallStack module

- update to 0.3.18
  * Added logTHShow and logDebugSH, logInfoSH, etc. Accepts an argument of
    Show a => a instead of just Text.

- update to 0.3.17
  * log to a chan

- update to 0.3.16
  * Provide default monadLoggerLog implementation

- initial commit