Removed _rdata_info_to_dict function from core

Ignore-this: 71c0e467210e08d883e95cc1591a75ac

darcs-hash:20090907125835-1e3d8-82dbe25bce3cd18597365a2908cbdd7fc57b36ba
Fixed ending of Session in some corner cases

Ignore-this: a1914df0bd0188025c68a580e4a71485

darcs-hash:20090907131244-1e3d8-3093f601683f2b7c2b7f184d691e0556ee87948f