Duplicate specification does not throw an error

[Broes De Cat]

If the structure contains X = {1..10} X = {5..20}

The system just silently drops the first statement.

[Broes De Cat]

Refactored the code to insert parsed interpretation into the datastructures.

Fixes #275: It is checked whether at most 2 truthvalues are specified, of different types.

→ <<cset abb81bb51ef0>>

[Broes De Cat]

Refactored the code to insert parsed interpretation into the datastructures.

Fixes #275: It is checked whether at most 2 truthvalues are specified, of different types.

→ <<cset 1f7ab020cbcb>>

[Bart Bogaerts]

Refactored the code to insert parsed interpretation into the datastructures.

Fixes #275: It is checked whether at most 2 truthvalues are specified, of different types.

→ <<cset 79dbcb5ad19e>>

[Bart Bogaerts]

Refactored the code to insert parsed interpretation into the datastructures.

Fixes #275: It is checked whether at most 2 truthvalues are specified, of different types.

→ <<cset 9024a719a986>>