#56: Removed deprecated SQL outside Retcon.Store.PostgreSQL, bumped optparse-applicative to 0.11
Merge pull request #57 from anchor/wip-removesql

Removed deprecated SQL outside Retcon.Store.PostgreSQL
Improvements to log message formatting

Use fromString and <> to make composing log messages much less ugly.

Also replace the derived Show instances for InternalKey and ForeignKey
with manual implementations using internalKeyValue and foreignKeyValue
to provide more complete information.
All Delete operations for stores now return the number of items (of any kind) deleted.
Polish Retcon.Notifications module

Use <> rather than Text operations to concatenate messages together.
Remove dead code.
Updated tests for new delete behaviours
Tidied up Diff module, defined export list to lock down what other modules see
More cleaning up
Tidied up Retcon.Document, added export list
Merge pull request #60 from anchor/wip-returndeletions

Store delete operations return number of items affected
Merge pull request #62 from anchor/wip-difftidy

Improve formatting in Retcon.Diff module
Merge pull request #59 from anchor/wip-polish-notifications

Polish Retcon.Notifications module
Merge pull request #63 from anchor/wip-documenttidy

Polish formatting in Retcon.Document module
Merge remote-tracking branch 'origin/master' into wip-cleanup-memory-store

Conflicts:
	lib/Retcon/Store/Memory.hs