Beta 0.2.2

This latest Beta update addresses key functionality issues for running STREAMLINE serially from the command line, as well as a number of other minor functionality fixes and improvements.

*composite FI no longer fails when one algorithm used
*composite FI plots now support weighting with both balanced accuracy and roc_auc
*fixed major issues preventing running certain phases of STREAMLINE serially from command line
*removed 'None' option for max features in feature selection
*fixed pdf summary page 1 formatting issue
*Updated Optuna optimization for LR to avoid invalid hyperparameter combinations
*Enforced use of Optuna 2.0.0 for generating hyperparameter optimization figure generation, and added try catches to all algorithms so that STREAMLINE does not completely fail when there are lingering issues with Optuna versions in generating these figures.
*Updated notebooks accordingly