v1.2

New features

• add exp, log, min, max to DenseMatrix
• add getRowIdxs, getColIdxs, getValues for SparseMatrixLil
• added Mac OS X support

Maintenance:

• upgrade jna to 4.1.0
• upgrade Eigen to 3.2.5

Bug fixes

• make DenseMatrixComplex public
• fix FullPivHouseholderQR_solve to work with non-square matrices