Hi Chris,
The plugin doesn't ignore raster layers and causes the following error
everytime when a raster is being loaded:
File
"/home/borys/.qgis/python/plugins/MemoryLayerSaver/MemoryLayerSaver.py", line
86, in isSavedLayer
if l.dataProvider().name() != 'memory':
AttributeError: 'NoneType' object has no attribute 'name'