Fixed some small documentation issues
Improved popup's loading from url
Allow search(field, value) for numerical values, too

calling search(field, value) with a numerical value would do nothing, because it would only accept string values.
correctly handle spacer when inserted on runtime

When inserting a spacer into a toolbar with toolbar.add() or toolbar.insert(), the wrong html code was generated.
Merge pull request #235 from flesser/patch-2

Allow search(field, value) for numerical values, too
Merge pull request #237 from flesser/patch-3

Toolbar: Correctly handle spacer when inserted on runtime
Implemented onSelectionExtend and getRange() methods
Recompiled JS
Added onEditField event
Improoved search(), now it does not require search definitions
Fixed resizable bug when set with layout.set()
Fix for pull request #243
Fixed issue #245
Fixed few bugs in w2fields
Recompiled JS and CSS
Fixed bug related to editable control
Small documentation fix
Fixed issue #247
Fixed event custom properties
Small fixes