Games: Remove arbitrary upper limits on dice command.
Games: Remove arbitrary upper limits on dice command.

Closes: Sf#3057255
Signed-off-by: James Vega <91ae71a1168cea0b65ac9975da69d5a7753116be@users.sourceforge.net>

Ban3/Limnoria,raboof/supybot,ProgVal/Limnoria-test,ProgVal/Limnoria-test,buildbot/supybot,haxwithaxe/supybot,jeffmahoney/supybot,frumiousbandersnatch/supybot-code,Ban3/Limnoria