Content from 1.2.beta-0 and 1.2.beta-1 including:
Features:
Add a new task for validating a column value using regex (#52)
Add a new task for joining original dataframe with auxiliary data (#49)
Enhance data contract model to simplify large data contracts (#47)
Added support for 'skiprows' pandas parameter (#32)
Build / Development improvements:
Add Jupyter Notebooks As An Optional Development Dependency (#43)
Enabled codeql scanning (#45, #44)
Bugs Fixed:
Basic resource fix for identifier (#41)