optimize sth
fix 3 bugs
Add primary key support
fix form coding problem
fix search content coding
fix insert bug,add input limits
unit test
unit test
fix some unicode error,optimize intodb_xls
unit test
fix many bugs..
pythonic
fix some db handle bug,optimize database transaction control
rename importdata
support csv file import
version 0.5
master data management
add user control,fix some bugs
git mdm
mdm && user