Add readme.md for intended changes.
Add options.platformOptions to allow setting platform specific options on .open()
Seems we can't use NanScope (or anything v8 for that matter) on the libuv threadpool without getting a segfault. Parse options before opening instead and add a small structure with platform options.
Merge branch 'issue-402' of https://github.com/JohannesRudolph/node-serialport into JohannesRudolph-issue-402
Merge branch 'JohannesRudolph-issue-402' into develop