Changed date layout; removed numeric timezone.

Author: necrux

library_functions

@@ -117,6 +117,6 @@ function is_command {
 function err {
   local EXIT=$1
   shift 1
-  echo "[$(date +'%Y-%m-%dT%H:%M:%S%z')]: $@" >&2
+  echo "[$(date +'%Y-%m-%d %H:%M:%S')]: $@" >&2
   exit ${EXIT}
 }