removing random Class1
Introducing: literal value replacements, i.e. `where row.Id={=id}` - use rarely, but to avoid query-plan poisoning
async literal replacement and multi-exec tests
Merge pull request #121 from phillip-haydon/RemovingClass1

Removing random Class1
Metadata for 1.20 release
Limit literals to numeric types; for enums, use the value, not the name
1.21 metadata
1.22: support literal replacement on enumerable values for "in" etc
Missed some ConfigureAwait
"@foo unknown" detection and handling (query optimizer hints)
regex tweak
async multiplexed / pipeline implemented 1.24
Command recycling and disposing during pipelined async multi-exec; enable pipeline (via sync-over-async) for sync API
Fix and tests for http://stackoverflow.com/q/23696254/23354
Merge remote-tracking branch 'upstream/master'