Add module_prefix_list option for limiting SWAG to certain modules

In order to properly select the modules, include full module names in
the SWAG.params attribute.

add cov_mat_rank attribute to allow initializing non-empty covariance…

… matrices

fix processing tied parameters in separate modules

fix parameter processing to support shared parameters

add dummy parameter to track device

remove incompatible device proprty from SWAG

fix printing issues for SWAG objecets

add minimal pyproject.toml, fix setup.py and change to dynamic version