Topic: 0.6.3 released

0.6.3
- Allow user to set dividend sub type: qualified, tax exempt, etc.
- Short sales now add to cash position, covers remove from cash
- Added regression testing for OFX imports
- Fixed bug under some locales that truncates one decimal point
- Fixed leap year bugs- Fixed bug when importing options from OFX where shares was not modified by the
number of shares per contract