added Apex>>basicLastIndex, Apex>>_basicLastIndex. Apex>>basicFirstIndex, Apex>>_basicFirstIndex

adding Apex>>basicAt:test:put:

added the vm_setsig vm primitive function to improve os signal handler
changed System>>__os_signal_handelr and System>>startup for improved os signal handling

added two new vm primitives - vm_getsigfd and vm_getsig - to support os signal handling more promptly

added hmac functions

enhancing VM to handle OS signals properly. work in progress

added sha1 functions

added hcl_inttouintmax()/hcl_inttointmax()/hcl_uintmaxtoint()/hcl_intmaxtoint()

attempting to implement os signal handling. work in progress

enhanced pf_call with moo_intmaxtoint() for FMTC_LONGLONG

enhanced make_bloated_bigint_with_ooi() to handle MOO_TYPE_MIN(moo_ooi_t)

enhanded make_bigint_with_ooi() to handle MOO_TYPE_MIN(moo_ooi_t)

fixed an infinite loop bug in mod/ffi.c
changed some macros in lib/bigint.c

enhanced LONGLONG argument handling in mod/ffi.c

removed garbage from mod/ffi.c

started using libffi in mod/ffi.c if it's available. work in progress

added sys::read() to awk

added sys::open() & sys::close()

changed moo->mmgr to moo->_mmgr in lib/std.c

enhanced resolve_goto_label() to check block id as well collecting block ids

enhanced compile_if_expression() not to eliminate blocks containing one or more labels

refactored compile_if_expression() a bit

fixed some issues regarding goto handling

added static assertion macros

fixed the issue of a disappearing backward jump instruction in compile_braced_block()

changing how to emit code for square bracked block to solve goto related issues. work still in progress

added sys::unlink() and sys::mkdir()

trying to fix some goto implementation issues

added a test case in test-003.moo