Fix KWARG_REGEX
Fix KWARG_REGEX

This regex was not including dashes, causing any CLI argument with a
dash in it to be interpreted as a positional argument. This would keep
foo-bar=baz from being interpreted as a kwarg.

This commit modifies the regex to properly identify kwargs containing
dashes.

saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt,saltstack/salt