+ datetime fix
+ editorfield support

This bt5 will provide API for JIO access.

  In this way we don't have to duplicate the method everywhere.

 The UnitTest were running on a different folder them expected, causing often erase of the selenium
 setup and others test folders. This were causing over compilation.

Allow to store huge log informations.

Support no content.

Data can only be appended.

Add a test case for one.

Add inline test cases.
Fix several bugs brought up by test cases.
Alter PersistentString instances when they already exist rather than
creating new ones.

LOBTree raises when a key is out of range.