Update lib/Stampie/MessageInterface.php
Update lib/Stampie/MessageInterface.php
Stampie/Stampie,shyam-habarakada/Stampie,stof/Stampie,Ninir/Stampie,flint/Stampie,henrikbjorn/Stampie,henrikbjorn/Stampie,stof/Stampie,shyam-habarakada/Stampie,Ninir/Stampie