Merge pull request #4 from digarok/fix-readme

Fix readme

README.md

@@ -82,12 +82,20 @@ Command Word, encoded low-high, what the bits mean:
 
 `xxx_xxxx_xxxx_xxx` is the number of bytes 1-16384 to follow (0 == 1 byte)
 
+#### Copy Commands
+
 `%0xxx_xxxx_xxxx_xxx1` - Copy Bytes - straight copy bytes
+
 `%1xxx_xxxx_xxxx_xxx1` - Skip Bytes - skip bytes / move the cursor
+
 `%1xxx_xxxx_xxxx_xxx0` - Dictionary Copy bytes from frame buffer to frame buffer
 
+#### Control Commands
+
 `%0000_0000_0000_0000` - Source Skip -> Source pointer skips to next bank of data
+
 `%0000_0000_0000_0010` - End of Frame - end of frame
+
 `%0000_0000_0000_0110` - End of Animation / End of File / No more frames
 
 - other remaining codes, are reserved for future expansion