Needed . [dot] support

[hemangshah]

@ipraba, nice work! However, sometimes we need a dot with our signatures, currently, I am checking the Example in the Simulator, I can't add a dot. Please close this issue if it's working on the real device.

Thanks!

[Gk19011994]

the dot is must required please make this update in library. or help me to adding this at my side.