Fixes

Fixes m2m_write
Add Http_send_without_parameter
Fix str_start

Minor fixes

fix in LWM2M_first_example ON_OFF gpio management

New samples and debug

added debug flag and new examples sketches, plus fixes in MQTT sketch

LwM2M utilities

Add several lwm2m related utility methods
fix psm setting empty parameters management
fix ssl config default parameters

Code cleanup and error management improvements

Merge pull request #15 from telit/feature/code-cleanup

code cleanup

LwM2M OBJ set method

added lwm2m objset method and float to string function

Generic AT Command

Added generic AT command function in the library, to allow sending any AT command to the modem (or chains of commands). A sample sketch was added as well

file utilities improvements

Merge pull request #13 from telit/feature/gnss-fileutils

update readme, improvements of file utilities interfaces and examples

Change Bosch example library

Merge pull request #12 from telit/feature/accel-BMA400-API

change Bosch library used in example sketch

SMS management, sockets binary data

Add SMS logic management, improve binary data management in sockets communication