Release Version 2.8.0

Version 2.8.0

• fixed error in inv when a zero was on the diagnol for Issue #132
• fixed Issue #140
• added bit_count, Computes the number of 1-bits in the absolute value of the input
• added swapRows and swapCols methods to NdArray, and also free functions
• added pinv, https://numpy.org/doc/stable/reference/generated/numpy.linalg.pinv.html
• added take for Issue #149, https://numpy.org/doc/stable/reference/generated/numpy.take.html
• new non-global random interface
• added ellipse metrics to imageProcessing::Centroids
• documentation updates
• various minor performance improvements and bug fixes