Fix problem with ufo-core HEAD
Enable multipass execution

for memory savings
Simplify multipass execution
Move range_from to util
Allow from:to:step specification of sinograms
Update for from:to:step capable reader
Add positive integer restrictions
Check ranges
Allow region selection by reconstruction
Allow directories as inputs
Simplify logging
Calculate angle offset automatically if not given
added rotation axis options & view
add wait cursor feedback
Fix finding of the axis
Set axis automatically
Fix save options
Update dictionary