Makefile: Added 'make tests'
setup.sh: Makesure $GNUPGHOME has right permissions
setup.sh: commented pass_init() better
setup.sh: Added check_cred(). Used in t0010-generate-tests.sh
setup.sh: pass_init() remove prior store if it exists
setup.sh: Added create_cred() and check_no_cred()
new file:   t0050-mv-tests.sh
new file:   t0060-rm-tests.sh
new file:   t0100-insert-tests.sh