          self.add_item(
              section=section, title="colorspace", datatype=str, default="HSV", gui_radio=True,
              choices=["RGB", "HSV", "LAB", "YCrCb"],
              info="The colorspace to use for adjustment: The three adjustment sliders will effect "
                    "the image differently depending on which colorspace is selected:"
                   "\n\t RGB: Red, Green, Blue. An additive colorspace where colors are obtained by "
                   "a linear combination of Red, Green, and Blue values. The three channels are "
                   "correlated by the amount of light hitting the surface. In RGB color space the "
                   "color information is separated into three channels but the same three channels "
                   "also encode brightness information."
 
</s> remove             section=section, title="balance_1",  datatype=float, default=0.0, rounding=1,
 </s> add             section=section, title="balance_1", datatype=float, default=0.0, rounding=1, </s> remove             section=section, title="balance_3",  datatype=float, default=0.0, rounding=1,
 </s> add             section=section, title="balance_3", datatype=float, default=0.0, rounding=1, </s> remove             section=section, title="balance_2",  datatype=float, default=0.0, rounding=1,
 </s> add             section=section, title="balance_2", datatype=float, default=0.0, rounding=1, </s> remove         retval = extension in _image_extensions
 </s> add         retval = extension.lower() in _image_extensions
                 "the image differently depending on which colorspace is selected:"
          self.add_item(
              section=section, title="colorspace", datatype=str, default="HSV", gui_radio=True,
              choices=["RGB", "HSV", "LAB", "YCrCb"],
              info="The colorspace to use for adjustment: The three adjustment sliders will effect "
                 "the image differently depending on which colorspace is selected:"
                   "\n\t RGB: Red, Green, Blue. An additive colorspace where colors are obtained by "
                   "a linear combination of Red, Green, and Blue values. The three channels are "
                   "correlated by the amount of light hitting the surface. In RGB color space the "
                   "color information is separated into three channels but the same three channels "
                   "also encode brightness information."
keep keep keep keep replace keep keep keep keep keep
 Bugfixes

Facefilter - Variable reference before assignment
masks - Facehull initialize to 255.0 instead of 1.0
Alignments tool - Stop tool from ignoring upper case extensions
pep8 fixes 
plugins/convert/_config.py