60% coverage with unit test in parameterService
ParameterDataBaseLoader init database is now async
ERCalculator tests error messages fixed
ParameterService GetDefaultWeight fixed

getDefaultWeights/ExtraData are now GET instead of POST.
updateParameterValue has changed the way it receives parameters, see swagger documentation, which has been updated.
 (fefo you have been warned)

default extra data model has been changed to allow bigger values.
updateEquationConstants was split into 3 functions, to accomodate each possible parameter type.
an error is now returned if no rows are affected by an update.

Validator now performs more checks, removed those checks from other code to make it simpler

Also updates some error messages and environment variables

Also adds a parameter type that wasnt taken into account in the function

Order was reversed, causing miscalculations

This hasn't been correctly verified yet

Also changes calculations for adjusting ER for adult women when receiving PopulationMaternity

Calculations work but the actual values returned haven't been checked