re-add dance-threepanel now that the StepsDisplayList issue has been resolved. (Turns out that was the reason it wasn't working.) thanks to kurisu for the base code.

also update docs

Docs/Changelog_sm-ssc.txt

@@ -9,6 +9,16 @@ Not all changes are documented, for various reasons.
 supported but exist anyways.)
 _____________________________________________________________________________
 
+20100502
+--------
+* Add dance-threepanel StepsType. Thanks to kurisu for the original 3.9 code.
+* XMode mod added, thanks to v1toko/StepNXA.
+
+20100501
+--------
+* Fixed an issue with StepsDisplayList crashing if more than 21 difficulties are
+  playable. This allows Technomotion to work with AutoSetStyle and Autogen on.
+
 sm-ssc v1.0 Public Beta 3 | 20100430
 ------------------------------------
 There's an important change for themers that needs to be noted:

Docs/credits.txt

@@ -41,11 +41,17 @@ Daisuke Master
 David Santamaría Rogado (howl)
  * Various patches (see Changelog_sm-ssc.txt for more details and links)
 
-Kita K.
+Kita K./D. Trucks
  * sm-ssc default theme music
 
+kurisu
+ * Dance-threepanel gametype code (3.9; re-adapted for sm-ssc)
+
+v1toko
+ * Lead coder of StepNXA, which is where we got the original XMode code from.
+
 Macgravel
- * Orbular noteskin (the kb7 noteskin; not included in private beta wave 1.3)
+ * Orbular noteskin (the kb7 noteskin)
 
 theDtTvB
  * Keysound patch (http://share11.appspot.com/20421)
@@ -71,7 +77,7 @@ Henke37
 ==the beta testers==
 [SSC Beta Testing Team]
 KeithD
-tweak62
+tweak/tweak62
 
 [Friends of the Devs]
 And4713