remove "batters" filter (redundant with DH)
update MyRank in client cache instead of clearing and refreshing from server; fix server cache to be per-team so that MyRank is correct
Merge branct:h 'master' of https://github.com/mayhew3/DraftTower
fix NPE applying position filter to players with no eligibility

fuck you David Aardsma
Merge pull request #54 from kprevas/master

fix rank changing performance and position filter bug