add test commands

tests/test_commands.sh

+#!/bin/sh
+
+cepm()
+{
+	echo
+	../bin/epm --verbose $@ >/dev/null
+}
+
+cepm changelog mc
+
+cepm filelist mc
+
+cepm info mc
+
+cepm -q mc
+
+cepm -qf mc
+
+cepm requires mc
+
+# query packages
+#cepm -qp mc
+
+#cepm install mc
+
+#cepm packages mc
+
+#cepm search mc