update README

Author: suomesta

README.md

@@ -1,19 +1,22 @@
-rika README
-================
-
-(Release: 1.0.0)
-
-
-Overview
---------
-
-rika is a python library, which includes useful methods and classes.
-
-
-What's in?
---------------
-utils.py includes various useful methods.
-utiltests.py includes useful methods and classes for testing.
-hashsum.py supports many kinds of hash sum calculation (CRC32, md5, sha1, and 
-so on) in common interface.
-
+rika README
+================
+
+(Release: 1.0.0)
+
+
+Overview
+--------
+
+rika is a python library, which includes useful methods and classes.
+
+
+What's in?
+--------------
+utils.py includes various useful methods.
+
+utiltests.py includes useful methods and classes for testing.
+
+hashsum.py supports many kinds of hash sum calculation (CRC32, md5, sha1, and so on) in common interface.
+
+html_image.py provides a converter from image file to HTML canvas or table.
+