v4.5.2

Added CC3D board (STM F1)

Added CC3D

Added fake FTDI reprogrammed by driver

Ignored modem connected on Samsung devices

Bumped target SDK to 27

Fixed intermittent crashes with read buffers

Fixed NPE in read API

added UC-232A Serial Port from ATEN manufacturer

Merge pull request felHR85#75 from felHR85/sync_example

Synchronous example and bug solved

added isSupported method

write and read functions perform asynchronously

Merge pull request felHR85#43 from felHR85/ch340_newdriver

Ch340 newdriver

Merge pull request felHR85#31 from felHR85/ftdi_sync

Ftdi sync

Update README.md

Info about synchronous operations

cosmetic change

Merge pull request felHR85#18 from StephaneBg/master

Update readme.