Add title option to plot_image and wrappers; misc fixes

- Add title parameter to plot_image, plot_real, plot_imag, plot_amplitude,
  plot_phase, and plot_colorized
- Various fixes to base.py and fancy_ptycho.py

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

examples/fancy_ptycho.py

@@ -14,9 +14,7 @@ model = cdtools.models.FancyPtycho.from_dataset(
     propagation_distance=5e-3, # Propagate the initial probe guess by 5 mm
     units='mm', # Set the units for the live plots
     obj_view_crop=-50, # Expands the field of view in the object plot by 50 pix,
-    exponentiate_obj=False,
-    panel_plot_mode=True,
-    plot_level=2,
+    panel_plot_mode=True, # Organizes the live plots into panels
 )
 
 if t.cuda.is_available():
@@ -30,7 +28,6 @@ if t.cuda.is_available():
 # e.g. estimates of the moments of individual parameters
 recon = cdtools.reconstructors.AdamReconstructor(model, dataset)
 
-
 # The learning rate parameter sets the alpha for Adam.
 # The beta parameters are (0.9, 0.999) by default
 # The batch size sets the minibatch size