separate special math functions (tested)
add norminv (tested)
refactoring math module (not done yet)
refactored SIMD module (tested up to SIMD module)
tested up to math module
further refactoring (tested up to part of mateval module)
refactoring matrix expressions (not done)
new testing framework (common and simd module tested)
new testing framework (common and simd module tested)
new testing framework (tested up to math module)
new testing (tested upto matrix classes)
change the order of auto suite initialization (tested)
new testing framework (tested up to subviews)
new testing framework (tested over matrix module)
tested up to ewise evaluation
mat_arith tested under new framework
mat_emath & mat_special tested under new framework
mat_cast & mat_pred tested under new framework
matrix_expr module all tested under new framework
mateval module tested under new framework