Add ms suffix support to DurationTag

[BehrRiley]

No description provided.

[MC-Samuel]

Should stick with the conversion pattern that already exists ("* 0.001" rather than "/ 1000.0").

[mcmonkey4eva]

This code is wrong; this branch cannot ever be hit

[MC-Samuel]

Suggested change

	}
	if (string.endsWith("ms")) {
	return new DurationTag(numVal * 0.001);
	}
	else if (string.endsWith("t")) {
	return new DurationTag(numVal * 0.05);
	}
	else if (string.endsWith("s")) {
	// seconds
	return new DurationTag(numVal);
	}
	else if (string.endsWith("m")) {
	return new DurationTag(numVal * 60);
	}
	else if (string.endsWith("h")) {
	return new DurationTag(numVal * (60 * 60));
	}
	else if (string.endsWith("d")) {
	return new DurationTag(numVal * (60 * 60 * 24));
	}
	else if (string.endsWith("w")) {
	return new DurationTag(numVal * (60 * 60 * 24 * 7));
	}
	else if (string.endsWith("y")) {
	return new DurationTag(numVal * (60 * 60 * 24 * 365));
	}