Updated the copyright line
Added "remove formatting" to the HTML editor
Simplified the insertion of horizontal rulers
Allow the "border" attribute for tables
Added "insert table" to the HTML editor
Code cleanup
Compatibility fix for Internet Explorer (untested)
Support HTML sizes up to 7 in the HTML editor
Added a "form" mode to the HTML filter
Allow more HTML tags by default
Added "insert text" to the HTML editor (allows pasting clipboard content easily)