This allows searchin to have take a ! as negation
Example: make -f gmakefile print-test s='snes_tutorials-ex19_*' i='*logviewmemory'
gives 1 test that matches.
This gives make -f gmakefile print-test s='snes_tutorials-ex19_*' i='!*logviewmemory'
every example except for that one test
Edited by Pierre Jolivet