bump version up to 1.0.0 due to api changes

Author: verbosemode

CHANGES.md

@@ -1,4 +1,4 @@
-## 0.0.3 (2018-10-14)
+## 1.0.0 (2018-10-14)
 
 * Warning: encode function no longer truncates messages to 1024 bytes by default
 * split message part into tag and content (#20, by @hannesm)

src/syslog_message.mli

@@ -91,7 +91,7 @@ val decode : ctx:ctx -> string -> (t, [> Rresult.R.msg ]) result
 (** [encode ~len t] is [data], the encoded syslog message [t], truncated to
     [len] bytes. If [len] is 0 the output is not truncated.
 
-    {e Warning:} Since version 0.0.3, messages are no longer truncated to 1024
+    {e Warning:} Since version 1.0.0, messages are no longer truncated to 1024
     bytes by default. *)
 val encode : ?len:int -> t -> string