v1.1.0

• Updated field arrows with solid arrowheads. These fix the distortion that was visible when the axes were scaled differently.
• Default field color is darker. Also, an option has been added to set a custom field color (in the Appearance menu).
• The solver now allows complex solutions but only plots the real part.
• Added options for the numerical estimation of separatrices.
• Added options to export the field to a figure.