Third pre-release of Columns++ for Notepad++

In response to Issue #5: Change Add numbers and Average numbers to open a dialog allowing user to decide whether or not to copy results to the clipboard and whether or not to paste results into an empty line at the end of the selection. Also adds ability to add an empty line into which to paste results if none exists, and to choose a thousands separator.

Second pre-release of Columns++ for Notepad++

Attempt to fix issue #1; changed the About dialog to include x86 or x64 specifier.

First pre-release of Columns++ for Notepad++

ColumnsPlusPlus.x86.zip
ColumnsPlusPlus.x64.zip