Update README.md

README.md

@@ -22,7 +22,7 @@ Maven:
 <dependency>
     <groupId>ch.ethz.globis.phtree</groupId>
     <artifactId>phtree</artifactId>
-    <version>2.0.2</version>
+    <version>2.1.0</version>
 </dependency>
 ```
 
@@ -33,7 +33,7 @@ A C++ version of the PH-Tree (with slightly different design) is available [here
 
 # News
 
-### 2019-03-05
+### 2019-03-08
 
 Released version 2.1.0 of the PH-Tree. 
 - Avoid 'synchronized' object pooling. Object pooling in V13, v16 and v16HD have been modified to be non-`synchronized`, instead each instance of the PhTree has its own pool. A a result, running several PhTree instances in parallel will slightly increase memory usage (due to several pools allocated), butt will completely avoid contention caused by `synchronized` pools. A `synchronized` version of V13 is still available as `v13SynchedPool`.