Typos and formula fix

50% to 50%%. Spaces to tabs.
A one handed finessable weapon should not get benefit from both Weapon
Finesse and Swashbuckler Finesse.
ACG Fix swashy class feature's keys and another typo
Merge pull request #101 from mjmeans/pfs

Typos and formula fix

git-svn-id: svn+ssh://svn.code.sf.net/p/pcgen/code/Trunk@25254 ef53c05b-3124-4d59-ae7d-fe3273f42be7