bug fixes

Split kernel conditionals in extra file

added and documented environmental queries return-stack-cells,
	stack-cells, and floating-stack.
fixed make test for 64-bit machines.

updated definition of UNUSED
fixed some documentation typos
removed FUZZ

fixed convsize bug (now sizes >2048M are possible).
changed default sizes to be more cache-friendly.

added installdirs target to Makefile.in.
Use mkinstalldirs instead of install-sh -d.
added version-stamp to avoid recompiling everything after changing Makefile.in.
mostly fixed the maiming of words containing '/' in TAGS
added options --clear-dictionary and --debug.

added --offset-image option, comp-image.fs, and changed Makefile to
make a relocatable image gforth.fi from two nonrelocatable images.
added UNDER+.

changed version number to 0.2.1

added note about QUERY and TIB in BUGS.

added FORTHSIZES configuration variable
checked and fixed "make bindist" and "make clean"

small bugfix

it's own search method into vocabularies anymore.

Some bugfixes

"make dist" now works
minor bugfixes

renamed use-file to open-blocks
reintroduced FUZZ (for non-Unix)

doc changes

Building in a dir different from the srcdir now works
a few bug fixes

\G in cross compilation works now
marker <-> local conflict resolved
hack around problems with non-relocating images.