make begin non-blocking when card is not present
make begin non-block when card is not present
make begin non-blocking when card is not present
make begin non-blocking when card is not present
Update chatServer.ino
make begin non-blocking when card is not present
make begin non-blocking when card is not present
make begin non-blocking when card is not present
Merge pull request #2 from chrwei/being-non-block

Make begin() non-blocking