Regions MID_BIG and MID_THIRD do not work --- fixed 2.0.6 --- workaround

------------------- workaround
use MIDDLE_BIG instead of MID_BIG
and MIDDLE instead of MID_THIRD

... or use the 2-character shortcuts
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link
https://sikulix-2014.readthedocs.io/en/latest/region.html#Region.getBottomLeft
MID_BIG (M2, C2) half of width / half of height centered
MID_THIRD (MM, CC) third of width / third of height centered
above go not work and throw error
acroBottomRight=get(Region.MID_THIRD)

error] script [ regions ] stopped with error in line 72
[error] AttributeError ( type object 'Region' has no attribute 'MID_THIRD' )
[error] --- Traceback --- error source first