Set correct pin number
indentation
Make sure the GSM module pin are put to 0V when used with a Rpi

- The raspberry PI commands the GSM module, we want to make sure we don't
pull the RST pin to high inadvertly, so if we're using the rPI pull them
to 0V manually
Doxygen
Change m_buffer function
typo
Send the next command in line after 30seconds without an ACK
Improve GSM Module

- Change the way we recieve data
- Add a SMS Queue
Misc improvements to the cliExample for the GSM module
Serial port accroding to platform