diff --git a/bin/evaluate.py b/bin/evaluate.py
index 7fbd533..beb6099 100755
--- a/bin/evaluate.py
+++ b/bin/evaluate.py
@@ -1,8 +1,11 @@
 #!/usr/bin/env python3
 
 import sys
+import pathlib
+sys.path.append(pathlib.Path().cwd().parent)
+print(sys.path)
 # pyqtgraph warns on Mac if QApplication is created when it is imported
-import pyqtgraph
+# import pyqtgraph
 
 from nmreval.lib.logger import handle_exception
 sys.excepthook = handle_exception
diff --git a/doc/source/_templates/autosummary/_class.rst b/doc/source/_templates/autosummary/_class.rst
new file mode 100644
index 0000000..eae2e87
--- /dev/null
+++ b/doc/source/_templates/autosummary/_class.rst
@@ -0,0 +1,27 @@
+{{ objname | escape | underline}}
+
+Import as {{ fullname }}
+
+.. currentmodule:: {{ module }}
+
+.. autoclass:: {{ objname }}
+
+   {% block methods %}
+   {% if methods %}
+   .. rubric:: {{ _('Methods') }}
+
+   .. autosummary::
+      :toctree:
+
+   {% for item in methods %}
+   {%- if not item.startswith('_') %}
+      ~{{ name }}.{{ item }}
+   {%- endif %}
+   {%- endfor %}
+   {% endif %}
+   {% endblock %}
+   
+.. minigallery:: {{module}}.{{objname}}
+   :add-heading:
+
+
diff --git a/doc/source/_templates/autosummary/class_with_attributes.rst b/doc/source/_templates/autosummary/class_with_attributes.rst
new file mode 100644
index 0000000..1755a3b
--- /dev/null
+++ b/doc/source/_templates/autosummary/class_with_attributes.rst
@@ -0,0 +1,33 @@
+{{ fullname | escape | underline}}
+
+.. currentmodule:: {{ module }}
+
+.. autoclass:: {{ objname }}
+
+   {% block methods %}
+   {% if methods %}
+   .. rubric:: {{ _('Methods') }}
+
+   {% for item in methods %}
+   {% if not item.startswith('_') %}
+   .. automethod:: {{ item }}
+   {%- endif %}
+   {%- endfor %}
+   {% endif %}
+   {% endblock %}
+
+   {% block attributes %}
+   {% if attributes %}
+   .. rubric:: {{ _('Attributes') }}
+
+   {% for item in attributes %}
+   .. autoattribute:: {{ item }}
+   {%- endfor %}
+   {% endif %}
+   {% endblock %}
+
+.. include:: {{ fullname }}.examples
+
+.. raw:: html
+
+    <div class="clearer"></div>
diff --git a/resources/_rc/left.png b/resources/_rc/left.png
new file mode 100644
index 0000000..7662e98
Binary files /dev/null and b/resources/_rc/left.png differ
diff --git a/resources/_rc/right.png b/resources/_rc/right.png
new file mode 100644
index 0000000..84caeff
Binary files /dev/null and b/resources/_rc/right.png differ
diff --git a/resources/icons/icons.json b/resources/icons/icons.json
index 5c176e1..55651c4 100644
--- a/resources/icons/icons.json
+++ b/resources/icons/icons.json
@@ -24,7 +24,9 @@
         "actionMouse_behaviour": "mouse",
         "menuNormalize": "normal",
         "action_mean_t1": "mean",
-        "menuLimits": "fit_region"
+        "menuLimits": "fit_region",
+        "actionPrevious": "left",
+        "actionNext_window": "right"
     },
     "DataWidget": {
         "graph_toolButton": "new",
diff --git a/resources/icons/normal_light/left.png b/resources/icons/normal_light/left.png
new file mode 100644
index 0000000..4ec8a15
Binary files /dev/null and b/resources/icons/normal_light/left.png differ
diff --git a/resources/icons/normal_light/right.png b/resources/icons/normal_light/right.png
new file mode 100644
index 0000000..22f6fb8
Binary files /dev/null and b/resources/icons/normal_light/right.png differ
diff --git a/resources/icons/pokemon_light/left.png b/resources/icons/pokemon_light/left.png
new file mode 100644
index 0000000..7662e98
Binary files /dev/null and b/resources/icons/pokemon_light/left.png differ
diff --git a/resources/icons/pokemon_light/right.png b/resources/icons/pokemon_light/right.png
new file mode 100644
index 0000000..84caeff
Binary files /dev/null and b/resources/icons/pokemon_light/right.png differ