change version to 0.3

build.gradle

@@ -3,7 +3,7 @@ plugins {
 }
 
 group 'org.iota'
-version '0.3-SNAPSHOT'
+version '0.3'
 
 sourceCompatibility = 1.7
 

docs/CLASSES.md

@@ -102,6 +102,11 @@ tryte sequence consists of multiple tryte fields (e.g. <b>address</b>, <b>value<
 of static length. With this class, these fields can be easily accessed. <b>Transaction</b> objects are data  objects,
 and their fields are not supposed to change after instantiation. To create custom transaction, one should use <b>TransactionBuilder.build()</b>.
 
+### [RingTangle](../src/main/java/org/iota/ict/model/RingTangle.java)
+This Tangle prunes transactions after reaching a certain size. It works similar to a ring memory (hence the name).
+The transactions are pruned in order of their timestamp, always keeping the N (<b>transactionCapacity</b>) most recent ones.
+As an exception, the NULL transaction will never be pruned away.
+
 ### [BalanceChange](../src/main/java/org/iota/ict/model/BalanceChange.java)
 A <b>BalanceChange</b> models a proposed change for the IOTA token balance of an IOTA address. Since tokens can neither be
 burned nor created, no positive or negative <b>BalanceChange</b> cannot exist on its own but requires other balance

src/main/java/org/iota/ict/utils/Constants.java

@@ -7,7 +7,7 @@
  * multiple classes are kept together here to make them easier to find and adjust.
  */
 public class Constants {
-    public static final String ICT_VERSION = "0.3-SNAPSHOT";
+    public static final String ICT_VERSION = "0.3";
     public static final int MAX_NEIGHBOR_COUNT = 3;
     public static final int TRANSACTION_SIZE_TRITS = Transaction.Field.REQUEST_HASH.tritOffset + Transaction.Field.REQUEST_HASH.tritLength;
     public static final int TRANSACTION_SIZE_TRYTES = TRANSACTION_SIZE_TRITS / 3;