Async and some other little bits#21

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frangilbert wants to merge 8 commits intoandyhutch77:masterfrom

frangilbert:master

Commits on Jul 5, 2017

Some refactoring, removing example projects, adding asynchronous call.
Francis Gilbert
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Further refactoring
Francis Gilbert
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Re-jigging default constructors
Francis Gilbert
committed

Commits on Jul 6, 2017

Adding async method to interface.
Francis Gilbert
committed

Commits on Jul 10, 2017

Adding new constructors for easier setup.
Francis Gilbert
committed
Minor change.
Francis Gilbert
committed

Commits on Jul 12, 2017

Adding screenname as method parameter.
Francis Gilbert
committed
Adding new methods to interface
Francis Gilbert
committed