Convert properties to string in OOCalc reader
Feature: (trvrnrth) Work Item GH-261 - Add support for reading protected (RC4 encrypted) .xls files (tweaked for PHP 5.2 compatibility)
Merge pull request #276 from infojunkie/OOCalcReaderXML

Convert properties to string in OOCalc reader
General: (infojunkie) Work Item GH-276 - Convert properties to string in OOCalc reader