Fix for buffer overflow on read failure
Merge pull request #11 from langholz/OverflowOnReadFailure

Fix for buffer overflow on read failure
Fixes an [issue on Linux](https://github.com/eelcocramer/node-bluetooth-serial-port/pull/11) where reading from a closes or reset connection would result into a SEGFAULT.
Bumps version number
Removes typo from readme