macro for setting up / tearing down database

with-sqlite-db macro now exists - see openclose-macro-test for use

removing a TODO item
making statement-test use the with-sqlite-db macro
Merge branch 'master' into test-macro

Conflicts:
	tests/sqlite-test-suite.dylan
Merge pull request #3 from robertrolandorg/test-macro

macro for setting up / tearing down database