Added single-transaction Save() as major feature. This resolves #557. A Save() where child elements are saved, will now be processed atomically. Also fixed a bug where creating the SQL-record for a Record object would trigger a full deep-load. VersionedRecord now has a Create method that is safe from race conditions (via single-transaction Save that acquires the next-in-line recordKey.
Added single-transaction Save() as major feature. This resolves #557. A Save() where child elements are saved, will now be processed atomically. Also fixed a bug where creating the SQL-record for a Record object would trigger a full deep-load. VersionedRecord now has a Create method that is safe from race conditions (via single-transaction Save that acquires the next-in-line recordKey.

edelooff/newWeb,edelooff/newWeb