changed several Burst Penalties (lowered them, where they were the same as Autofire Penalties)
changed attachment data on several guns (thanks to Hairysteed)
changed definition of vehicle slots a little bit
git-svn-id: https://ja2svn.mooo.com/source/ja2_v1.13_data@934 4f8fa57e-7814-0410-bad4-adc449f26b7c