make txt-to-c.pl play nicely with CRLF
nuke isatty check
add sl_environ to platform
pass vm pointer to sl_environ()
whoops, set convenenice constants in the right place
windows-ize tests
whoops, make file tests work
fix nkw rule so keywords at the end of the source stream work
make sl_make_cstring take a const char*
add Regexp::PCRE_VERSION
add backtrace()
make sl_environ work on linux