Decomplect transforms into its own :transform op

Because no really it was 1) cluttering the code, 2) getting in the way
when I wanted to start being able to add transforms as their own node
type wrapping arbitrary nodes seamlessly.
Extend the parser compiler to transforms
Test the behavior of :term's :buff
Test the behavior of :pred's :buff
Test :alt's :buff behavior
Test :conc's :buff behavior
Use a more artificial :transform test
Test :opt's :buff behavior
Watch :rep*'s :buff behavior
Whitespace
Fix rep+-rejects-zero
Patch rep+-matches-trailing
Add initial reader tests
Patch reader for symbols & style
Add tests for keywords
Fixup keyword tests
Handle the /* symbols better