Fixes

• Fix Export to excel when the search is empty string
  
• Fix quote function
  
• Fix for complex quieries to properly get the count.
  
• Fix Export to excel to get right the where clause.
  
• Call closeCursor on the right place when build the colModel
  
• Add close the cursor for Oci8 when get the primary key.
  
• Fix for close the cursor in PDO when get primary key
  

Additions

• Add mysqli driver
  
• Added customFunc where we can modify the final grid result
  
• Added addUserData method for custom loading user data.
  
• Adding xmlCDATA variable which allow to send the xml as CDATA.