[ANN] Bitlab API Feature: Watch Address

[Bitlab]

Now you can watch the balance of a particular address generated by the API just by knowing the address. This is useful, for example, if you wanted to create a pay now button and display to the user how much BTC has been received so far and to redirect the user when payment is complete.

Here is the example code for watching an address: https://bitlab.co/docs/#watch