Updating to changes in BLD-GA basisvectors fork
More updates to basisvectors branch of bld-ga
Updates to WRITE-PARENT and WRITE-CHILDREN
Updated gfuns, grefs, gsets, and mvcode
Updated more, up to WRITE-GAMETHOD
Now compiles E2 and E3, which compile themselves
added basis blade keywords to parent make-instance. some cleanup. trigsimp to make sure rotate cancels zeros.
Add basisblades from parent class so bitmaps are in right order. Still a bit too fiddly.
Moved gawrite2.lisp to gawrite. Simplified MAKE-RESULT.
Serial dependencies. Renamed GAWRITE2 to GAWRITE
Cross product *x for any number of vectors
Renamed rotate to rotateg to avoid alexandria conflict