also update readme.txt

README.txt

@@ -1,7 +1,7 @@
 exhal / inhal
 HAL Laboratory NES/SNES/GB (de)compression tools 
-(version 1.20)
-by Devin Acker (Revenant), 2013
+(version 1.21)
+by Devin Acker (Revenant), 2013-2015
 https://github.com/devinacker
 
 exhal and inhal are tools designed to decompress and recompress/insert data used by several NES,
@@ -73,11 +73,6 @@ to make searching easier.
 These tools were originally used in the development of my Kirby's Dream Course editor. I hope you
 find your own exciting use for them. (I'm not the only Kirby hacker in the West, right? *sob*)
 
-Changes:
-
- v1.20: index byte triples using uthash for even faster searching, nicer error handling
- v1.10: index byte pairs for faster searching during compression, misc bug fixes
-
 Contact me:
 
  Email : d at revenant1.net