Avg column calculation function casts values to numbers to better handle string values

Overriding default options on the tabulator prototype now works correctly for array and object values

autocomplete and select editor lists now scroll when navigated using arrow keys

Fixed render issue with column headers that have both header menus and editible header titles

Calling the update function on a row while it is visible no longer atempts to layout the rows dataTree

The clipboardCopyConfig option is now correctly parsed when triggreing a copy action

The clipboard module now corretly blocks external cliboard triggers after the first call of the copy function

The clearEdited function now works reguardless of whether validation is enabled or disabled on the table

Fixed a regression in vertical header layout mode, sort arrows are now correctly positioned at the top of the column header