NeqSim 2.5.6

What's Changed

• add replace database table and test by @EvenSol in #812
• added units and runtime exception by @EvenSol in #814
• refact: remove unused constructors by @asmfstatoil in #815
• add test for pump chart by @EvenSol in #816
• refactor: make abstract implementations of interfaces public by @jorgenengelsen in #817
• update pom to version 2.5.6 by @EvenSol in #819

Full Changelog: v2.5.5...v2.5.6