Release 1.0.0

Following features are contained in the initial release of the IntegralEvaluator:

• Born--Oppenheimer (BO) and pre-BO one- and two-body integrals.
• Storing of one-body integrals in memory.
• Storing of two-body integrals in memory.
• Direct Fock matrix evaluation routines for BO and pre-BO.
• Cauchy--Schwartz screening for the BO contribution to the Fock matrix.
• First derivatives of one- and two-body integrals.