Incorrect @return line for Client::authorize

[net-tools]

Was "@return void", whereas the authorize method does return a ClientInferface object in current release.

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[net-tools]

I signed it!

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[bshaffer]

This is great, but "objet" should be "object"

[net-tools]

Typo error has been corrected, sorry !

[bshaffer]

merged in c872f60

[coveralls]

Changes Unknown when pulling 36617a8 on net-tools:patch-1 into ** on google:master**.