Bumped version to 3.6.6

Author: gurrhack

sys/android/AndroidManifest.xml

@@ -2,8 +2,8 @@
 <manifest
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	package="com.tbd.NetHack"
-	android:versionCode="3650"
-	android:versionName="3.6.5"
+	android:versionCode="3660"
+	android:versionName="3.6.6"
 	android:installLocation="auto">
 	<uses-sdk android:minSdkVersion="7"
 	          android:targetSdkVersion="28"/>

sys/android/assets/ver

@@ -1 +1 @@
-105
+106

sys/android/res/values/credits.xml

@@ -6,7 +6,7 @@
 
 <h1>NetHack Android Port</h1>
 <a href="https://github.com/gurrhack/NetHack-Android">Project Home</a><br/>
-<p>Based on NetHack 3.6.2<br/>
+<p>Based on NetHack 3.6.6<br/>
 <a href="http://www.nethack.org">http://www.nethack.org</a></p>
 <p><small>Inspired by NetHack iPhone Port by <a href="http://code.google.com/p/iNetHack/">Dirk Zimmermann</a></small></p>