Update README.md

Author: slmdev

README.md

@@ -1,7 +1,8 @@
 # scm
-scm - context model
+scm - context model - last code update 2011
 
 scm is a simple command line tool to compress individual files using bitwise context modelling.
 for every input bit scm creates a set of individual predictions which get mixed together using logistic mixing.
 
 models: ppm, match, indirect, sparse, word, sse
+using 500mb of memory scm compresses calgary.tar: 3.152.896 bytes to 625.583 bytes (1.587bpb).