0.0.2 (2016-10-29)

• simplify API: no set_hostname, hostname anymore #11
• introduce Rfc3164_timestamp module #11
• parse is now decode, to_string encode #11
• pp_string is now to_string #11
• provide pp : Format.formatter -> t -> unit
• remove int_to_severity/severity_to_int/int_to_facility/facility_to_int #11
• use topkg instead of oasis
• cleanups #8 #9