Updated examples to use V4.1 packets and fixed AsyncConnection frame queuing
Added default initialisation of IG conditions
Merged branch 4_1_dev
Added initial unit tests for interpreters
Made SRM always default to DefaultSRM if set as nullptr
Fixed erroneous type of m32To30
Added default virtual destructor to ISpatialReferenceModel
Added processStreamT variant that works with std::function & lambdas