NEWS for investr package

Changes for version 1.0
====================
* Added functions
* Fixed roxygen documentation

Changes for version 1.0.1
====================
* A few minor bug fixes
* Slightly better documentation

TODO:
====================
* Add bootstrap option to calibrate and invest
* Add method for objects of class 'lme' (i.e., calibration with random coefficient models)
* Add method for objects of class 'mlm' (i.e., multivariate calibration)
* Heteroscedastic errors?