Fixed some bugs.
Test Change
this is a test
corrected buy and sell
corrected add cash and transaction fee
slight tweak.
corrected a small bug
no initial negative money bug fixed
reduced number of dialog boxes
Merge branch 'new_models'
correction suggested by blake
Merge branch 'brandon'
add the final touches blake wants
Merge branch 'brandon'
Fixed the "a" "name-symbol" bug.
Fix timeout null response.  Fixes #22