nuovo/spreadsheet-reader — pull request #10 by ramzes642 (2013-02-05 05:54:47+00:00)
Title: Perfomance increase for xlsx

Dramatically increased perfomance by implementing shared strings index for XLSX.

Uses not much memory, but speeds up a lot.
Tested use 17mb for 80000 rows, full traversal took 23sec instead of almost infinite with 1 second by row