Enabled the construction of a null sqloxx::Handle. Some other (minor) adjustments to Handle implementation.
Enabled the construction of a null sqloxx::Handle.
Some other (minor) adjustments to Handle implementation.


git-svn-id: b8597ebd0ac5e7c95df536be1c7b8170d7ec85cf@2314 ac3cbfda-f6ac-4daa-b570-d46c5f00fc98

skybaboon/sqloxx,skybaboon/sqloxx