Add verbosity level -1 to NEWS.

NEWS

@@ -1,3 +1,6 @@
+1.4.6
+ * Verbosity level "-1" for even quieter output: Errors only (#236).
+
 1.4.5
  * Log to file instead of syslog via command-line "--log-file" flag (#233).
 

setup.py

@@ -1,6 +1,6 @@
 from setuptools import find_packages, setup
 
-VERSION = '1.4.5'
+VERSION = '1.4.6'
 
 
 setup(