Version set to 0.88. Put release date into changelog.

ChangeLog

@@ -1,4 +1,4 @@
-0.87 -> 0.88 (Mar? 2012)
+0.87 -> 0.88 (Mar 01 2012)
 * added an initial version of new adventure AI: VCAI
 * system settings window allows to change default resolution
 * introduced unified JSON-based settings system

lib/GameConstants.h

@@ -12,7 +12,7 @@
 
 namespace GameConstants
 {
-	const std::string VCMI_VERSION = "VCMI 0.87b";
+	const std::string VCMI_VERSION = "VCMI 0.88";
 
 	/* 
 	 * DATA_DIR contains the game data (Data/, MP3/, ...).