Added convenience methods for extracting Tx and Rx from channels, independent if the channel ends are non-copyable or not. This means its invariant if one were to extract the end from a One2One or Any2Any channel using the same method.
Added convenience methods for extracting Tx and Rx from channels, independent if the channel ends are non-copyable or not. This means its invariant if one were to extract the end from a One2One or Any2Any channel using the same method.

edvardsp/libproxc