(name 'ODFReader-tak.2' message 'from 2421

Adjust difference of asNumber between Moshi and Trunk.
'''' asString causes error in Trunk while it returns zero in Moshi.
' id '3e2a6372-1c94-4f10-a309-7ebd5eea9013' date '5 May 2011' time '10:59:02 am' author 'tak' ancestors ((name 'ODFReader-tak.1' message 'from 2420' id '05ec8974-7a3d-44be-853e-6099d7d7d819' date '5 May 2011' time '10:00:57 am' author 'tak' ancestors () stepChildren ())) stepChildren ())