import cleanup
trivial bench cleanup
test naming cleanup
fix old typo
minor defpun cleanup
minor util cleanup
minor psort optimization
use more from alexandria
fix ptree-undefined-function-error report

ptree-computed-p and call-ptree gave unbound slot error
during report when passed nonexistent node
improve ptree-lambda-list-keyword-error report

list all lambda list keywords
remove svref workaround for sbcl-1.1.6

newer sbcls give a style warning for the workaround
work around ECL compiler bug
version 2.4.3