! prevent undefined index error log spam when likeDisplayLimit = 0

Signed-off-by: Spuds <spuds@spudsdesign.com>
! Not sure why, but it does occur so we need check for it or its a undefined index

Signed-off-by: Spuds <spuds@spudsdesign.com>
! missing the u modifier so this will be a problem with true utf8 strings (no match, undefined index)

Signed-off-by: Spuds <spuds@spudsdesign.com>
! index error caused by truncating the post pre-parsebbc for previews.  Adds check on the last element we need since its implicit the earlier ones are there.

Signed-off-by: Spuds <spuds@spudsdesign.com>
! This is an example of why you should not be so clever with leaving ()'s out ... invalid query

Signed-off-by: Spuds <spuds@spudsdesign.com>
Merge pull request #663 from Spuds/lkf

Various fixes to clean up the error log