Fixed repeated results when secondary index matches multiple times

Hello @sboora, 

Please review the following commits I made in branch 'vinny-fix-duplicate-tsi-items'.

081f09ad2087f87bf0486f6285c0f4d4ff16cf58 (2013-11-11 11:57:40 -0800)
Fixed repeated results when secondary index matches multiple times

Check list:


R=@sboora