Changelog

fixed where maat() was not running when a list object was supplied to the config argument.
updated vignette("maat") with an example of using module-wise configs in maat().

now uses soft overlap control. See the vignette for details.
now allows separate modules to be used for each test.
- loadModules() now returns a 3-level list instead of a 2-level list for this.
- all other functions are updated to work with 3-level module lists.
- the example data module_list_math is updated to the new format.
now allows separate configs from createShadowTestConfig() to be used for each module.
plot(output_maat) now prints the plot for the first examinee by default.
examinee objects gain a new estimated_theta slot to store assessment-level theta estimates.

maat 1.1.0.9000