Extract calls in constructor of LightReader into LightReader::initialize()
Possible fix for Microsoft web camera issue.
Likely fix for compilation error on Linux.
Fix possible error in destructor of echomesh::Player.
Temporarily enable setsockopt to use SO_NOSIGPIPE
Disable SIGPIPE issues.
Revert experimental Mac change for sockets.
Now we wait also until a socket is ready for writing, as well as reading.
Merge pull request #468 from Tylor167/master

Added numpy dependencies and fixed pip to be python version independent.
Fix https://github.com/rec/echomesh/issues/472
Merge