New fractalutils module to keep common functions.
Added fractalapi module to store default values and functions to compute the sets.
File based on ventana_julia.py, completely refactored and partially using the fractalapi and fractalutils modules.
Ignoring testing file.
Changed initial values to be gathered from module.
Changed colourlist into a dictionary and removed if clauses to draw in the correct colour, using eval instead.
Removed unnecessary arguments.
Removed unnecessary arguments and added numbercheck and inmandelbrot to the module.
Ignored log and error output files.
Removed old images and moved the rest to the images directory.
Repurposed main.py file to hold the main frame of the app.
Huge change in gui.py. Refactored both Mandelbrot and Relations apps and converted them properly to be able to use a wx.Notebook to show the three of them in the same window.