sort function returns zero for same values
Merge remote-tracking branch 'remotes/sakura/feature/sort_filter'
Fixed zero as number for sortAlt was ignored #23
flagrate.css: added style div.flagrate-grid td.flagrate-grid-cell-clickable
flagrate.Form: Field#validate returning wrong result (bug)
flagrate.Form#validate: fixes behavior.
flagrate.Form: Field#validate empty string problem
flagrate.Radios#select: didn't update #selectedIndex (bug)
flagrate.Form: Field#validate bug fixes
flagrate.Form: Field#validate bug fixes
flagrate.Button: Improved style and structure
flagrate.ComboBox: added #24
flagrate.form.inputType.combobox: added (using flagrate.ComboBox) #24 #2
flagrate.Form.inputType: update docs
flagrate.Form#splice, flagrate.Form#delete, flagrate.Form#indexOf: added. #2
flagrate.Tab#delete, flagrate.Grid#delete: invalid return type (bug)
style.css button.flagrate-button update
flagrate.css: improved style
flagrate.Form#validate: forgotten dependencies (critical bug)
flagrate.Form#_createField: disable a unused variable