Comment out 'print' statements in sb_common, used for tracing
Updated library.xace files for threads
Added src/gctest
Changed eif_file.c to fix is_symlink status call
Move features from adapted ANY to SB_ANY, initial partial adaptation of SB Vision2
Further mods re Visual2 SB implementation
TODO notes updated in ET_LLVM_C_GENERATOR
Progress on Eiffel Vision2 SB implementation ...
Minor edits to SB_FRAME