Merge pull request #58 from SparkPost/feature/httpclient_4_5_3_compat_issue57

Feature/httpclient 4 5 3 compat issue57

Author: yepher

README.md

@@ -10,6 +10,10 @@ Use this library in Java applications to easily access the SparkPost Email API i
 
 ## Version Compatibility Note
 
+### Version 0.6.2 -> 0.6.3
+
+Due to [issue 57](https://github.com/SparkPost/java-sparkpost/issues/57) and to maintain compatibility with old and new version of Apache HTTP Client `SPARKPOST_BASE_URL` must not end with a `/` slash.
+
 ### Version 0.12 -> 0.13
 
 Although we try to maintain library backward compatibility this migration may require some minor changes to your code. Substitution data was changed from `Map<String, String>` to `Map<String, Object>`. Most client code will just need to change their map to this new signature.
@@ -23,7 +27,7 @@ The SparkPost Java Library is available in this [Maven Repository](http://maven.
 <dependency>
 	<groupId>com.sparkpost</groupId>
 	<artifactId>sparkpost-lib</artifactId>
-	<version>0.16.2</version>
+	<version>0.17</version>
 </dependency>
 ```
 

apps/pom.xml

@@ -3,7 +3,7 @@
 	<parent>
 		<groupId>com.sparkpost</groupId>
 		<artifactId>sparkpost</artifactId>
-		<version>0.16.2</version>
+		<version>0.17</version>
 	</parent>
 	<modelVersion>4.0.0</modelVersion>
 	<artifactId>apps</artifactId>