2021-03-06 version 1.2.1
  * Fixed `sum` using integer accumulator with floating point input
  * Various build system improvements

2021-01-23 version 1.2.0
  * Added CMake build supporting tests and documentation
  * Fixed some compiler warnings

2019-09-24 version 1.1.1
  * Fixed compilation error in GCC 9 (due to GCC bug 91705)

2018-10-11 version 1.1.0
  * Added AUTHORS and CHANGES files
  * Added deduction guides for vector and matrix classes
  * Added as_row and as_column for creating row- and column-vectors
  * Fixed bug where tolerance was not passed to rref
  * Fixed "pedantic" compiler warnings

2018-04-10 version 1.0.0
  * Initial public release
