# echelon 0.4.0

* Added `echenor()` for normal model support.

# echelon 0.3.1

* Optimized part of the source code.

# echelon 0.3.0

* Overall improvements to the source code algorithms, including the addition of C++ code.

# echelon 0.2.0

* Minor bugs fixed.

# echelon 0.1.0

* This is the initial release of `echelon` on CRAN.

