Canonicalize species and class abbreviations on load.
Clean up handling of user-defined command args.
Display built-in keyword definitions to users.
Recognize Jesters.
Don't match keywords too loosely (Trove != Trog).
Canonicalize display for x=a|b|c expressions.
Add cszo 0.12 to sources.
RIP Jesters (elliptic).
Fix bad handling of status=para,slow (rwbarton)
WIP parslet grammar hookup.
SqlExpr fixes.
WIP parslet
AST transform basics.
Rudimentary AST transform.
WIP simple query work.
Basic query working!!
Fix custom keywords.
WIP fixups.
Tweaks to query stringization.
Handle grouping s=foo