Update readme
Fix bug about checking type of datasource
Merge branch 'dev' of github.com:shymonk/django-table into dev
Feature: TableData API
Update TableData
fix bug about table data
Update view
Refactoring column base: make field as instance attr
Toggle bAutoWidth for datatable
Update testcase
Update test
Refactoring sequencecolumn
Feature: sequence column
Refactoring calendar column
Update calendarcolumn
Fix bug about get_field in sequencecolumn
__str__ for sequencecolumn
Fix bug about column callable attributes
Simplify TableOption logic
Resolve conflicts