Bugfixes

Created by: clusterfack

Fix tracking beacon frequency setting It was calling format frequency which converts the number to num/10, then calling sanitize frequency which clamps it between 1200 and 1600, when in fact it needs to be the other way around. Fixes #10284 (closed)

Makes gun sprites update correctly on EMP Makes power cells remove a percentage of max charge instead of a hardcoded value Fixes #9954 (closed)

Fixes #9906 (closed)