Natural sorting of numbers ("1" < "2" < "10")
Natural sorting of numbers ("1" < "2" < "10")

This needs testing to see if it has any other unwanted effects.

Closes Trac ticket 1031

rmzelle/zotero,robamler/zotero,gracile-fr/zotero,hoehnp/zotero,egh/zotero,hoehnp/zotero,rmzelle/zotero,sendecomp/zotero,adunning/zotero,retorquere/zotero,robamler/zotero,retorquere/zotero,hoehnp/zotero,egh/zotero,LinuxMercedes/zotero,rmzelle/zotero,retorquere/zotero,aurimasv/zotero,robamler/zotero,egh/zotero,gracile-fr/zotero,sendecomp/zotero,adunning/zotero,LinuxMercedes/zotero,sendecomp/zotero,gracile-fr/zotero,adunning/zotero,LinuxMercedes/zotero