Edited line indexer to write index in 16MB chunks.
Edited line indexer to write index in 16MB chunks.

wgerlach/Shock,MG-RAST/Shock,wgerlach/Shock,MG-RAST/Shock,wgerlach/Shock,wgerlach/Shock,MG-RAST/Shock,teharrison/Shock,teharrison/Shock,teharrison/Shock,teharrison/Shock,teharrison/Shock,MG-RAST/Shock,MG-RAST/Shock,wgerlach/Shock,teharrison/Shock