Upped version to 1.4.6 in preparation for release.

Author: ctmay4

README.md

@@ -27,14 +27,14 @@ Download [the latest JAR][1] or grab via Maven:
 <dependency>
     <groupId>com.imsweb</groupId>
     <artifactId>staging-client-java</artifactId>
-    <version>1.4.5</version>
+    <version>1.4.6</version>
 </dependency>
 ```
 
 or via Gradle:
 
 ```groovy
-compile 'com.imsweb.com:staging-client-java:1.4.5'
+compile 'com.imsweb.com:staging-client-java:1.4.6'
 ```
 
 ## Usage