+
+ * if1: Updated to use new ImageFile class math functions
+
+ * ezplot: Reworked to better store colors/linestyles/symbols with
+ individual curves. Improved display of labels and ticks. Updated
+ to use POL class member variable. Updated to more C++ conventions.
+
+ * pol: converted to C++ class. Extracted HashTable to separate
+ class.
+
+ * sgp: Added linestyle settings