got the tests to run (...and fail)
orgtest: explicitly close the child's stdin
orgtest: allow escaped octothorpes
Makefile: added the test runner
lisptests: cleaned up the fmt:struct values
imp.pas: added #%fmt:struct
imp: bug fixes: negative numbers causing range checks and minus sign parsing as -0. First 2 lisptest.org tests now pass.
cleaned up string tests, re-added tests for 'id' as primitive routine
added make target for 'roots of lisp' tests.
imp: partial implementaion of function evaluaion.