std::fill takes a range that is open on the right bound (i.e. [first, last) and
not [first, last]).

[skip ci]

Closes: #128

It was previously in case-sensitive alphabetical order (i.e. ASCII order).

Ref. #128

– use std::pair instead of std::tuple in internal storage
– make Environment::getFunction() symmetric with Environment::getVariable()

Ref. #125

Rather use the data member which already exists.

savemacro: use valid filename

Closes #126

See merge request !105

Ref. dynare#1929

They would be ignored.

See:
- https://github.com/Homebrew/homebrew-core/issues/165388
- https://trac.macports.org/ticket/69639