Merge pull request #112 from tonyta/changelog-v3.4.0

Update CHANGELOG for v3.4.0

Author: samg

CHANGELOG

@@ -1,3 +1,7 @@
+== 3.4.0 ==
+Remove space between U diff option and context number. Thanks @tomas!
+Add option to ignore CRLF diffs in HTML comparisons. Thanks @ptyagi16!
+
 == 3.3.0 ==
 Fix diff lines that begin with -- or ++. Thanks @dark-panda!