+2005-04-14 Tilman Sauerbeck (tilman at code-monkey de)
+ * lib/{redact,part,program}.rb: Replaced most attr_accessor
+ calls by explicit setter methods to ensure type safety
+ * lib/part.rb: Code cleanup
+
+2005-04-09 Tilman Sauerbeck (tilman at code-monkey de)
+ * test/crossfade.rb: Updated for recent tween mode fixes
+
+2005-04-03 Tilman Sauerbeck (tilman at code-monkey de)
+ * lib/redact/part.rb: Made 'text_class' and 'color_class' parameters
+ writable
+ * lib/redact/part.rb: Some cosmetic changes
+ * lib/redact/part.rb: Use symbols instead of constants for text
+ effects
+ * lib/redact/part.rb: Code cleanup
+ * lib/redact/program.rb: Use symbols instead of constants for
+ tween modes
+