Make mtime omni-parsable

libmtime sometimes used modules with the following syntax:
use :: module_name
unfortunately, the omni-compiler (on which CLAW relies) was unable to parse this. This merge request therefore changes all
use :: module_name to use module_name

include/mtime_eventBasic.h

@@ -19,6 +19,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include "mtime_timedelta.h"
 #include "mtime_julianDay.h"
 
 
@@ -30,7 +31,6 @@
 #define MAX_EVENTNAME_STR_LEN 132
 
 struct _datetime;
-struct _timedelta;
 
 
 /**
@@ -59,6 +59,9 @@ struct _event_basic
   struct _timedelta*            eventInterval;
   ///> eventInterval transformed into JulianDelta. 
   struct _juliandelta           jd_eventInterval;
+
+  struct _divisionquotienttimespan quot_eventFirstDateTime;
+  struct _divisionquotienttimespan quot_eventLastDateTime;
 };
 
 struct _event_basic*