Many errors

[Tosche]

I see following errors while using the plugin.

Error 1:
ERROR: crossPoint == ON CURVE POINT!!!!
(I think this error is expected to happen, in that case I do not want to see it, as I use output area myself quite often)

Error 2:
Traceback (most recent call last):
File "GlyphsApp/plugins.py", line 1118, in drawForegroundForLayer_options_
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 100, in foreground
closestData = self.calcClosestInfo(layer, crossHairCenter)
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 262, in calcClosestInfo
n = math.floor(closestPathTime)
TypeError: a float is required

Error 3:
Traceback (most recent call last):
File "GlyphsApp/plugins.py", line 1118, in drawForegroundForLayer_options_
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 104, in foreground
self.drawCrossingsForData(closestData)
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 175, in drawCrossingsForData
FirstCrossPointA = NSPoint(crossPoints[i].x,crossPoints[i].y) #blue
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/PyObjC/objc/_convenience.py", line 459, in _getitem__objectAtIndex
raise IndexError("list index out of range")
IndexError: list index out of range

Error 4:
Traceback (most recent call last):
File "GlyphsApp/plugins.py", line 1118, in drawForegroundForLayer_options_
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 100, in foreground
closestData = self.calcClosestInfo(layer, crossHairCenter)
File "/Users/toshi/Library/Application Support/Glyphs/Repositories/StemThickness/StemThickness.glyphsReporter/Contents/Resources/StemThickness.py", line 264, in calcClosestInfo
if OnNode.type == CURVE:
AttributeError: 'NoneType' object has no attribute 'type'