Syslog v2.0

Change log:

• Renamed project name from ESP8266_Syslog to Syslog
• Added support for more platforms and network hardwares
• Added support for BSD Syslog protocol (RFC 3164)
• Added logMask function to ignore specified severity levels

ESP8266_Syslog v1.1

Change log:

• Remove usage of time.h to fix compilation errors

ESP8266_Syslog v1.0

Initial release