Added bug fixes to RELEASE.TXT

git-svn-id: svn://136.177.114.72/svn_GW/phreeqc3/trunk@8929 1feff8c3-07ed-0310-ac33-dd36852eb9cd

RELEASE.TXT

@@ -1,5 +1,27 @@
 Version @PHREEQC_VER@: @PHREEQC_DATE@ 
+        --------
+        svn 8925
+        --------
+
+        Molar volume was not calculated correctly in mixing a gas. 
+
+        --------
+        svn 8923
+        --------
 
+        Acentric factor for H2(g) had positive sign. Corrected to 
+        negative for H2(g) and Hdg(g) in phreeqc.dat, Amm.dat, and pitzer.dat.
+
+        --------
+        svn 8919
+        --------
+
+        When a batch kinetic reaction was simulated, followed by a transport 
+        simulation with kinetics, the time was not reset between the 
+        two simulations.
+
+
+Version 3.1.3: August 6, 2014        
         --------
         svn 8895
         --------