Merge pull request #68 from petiaccja/conan-update

upgrade to conan 2, update dependencies

Merge pull request #63 from petiaccja/stl-compat

snake_case member function for stl compatibility

Merge pull request #64 from petiaccja/bugfix

bugfix

Merge pull request #62 from petiaccja/code-consolidation

code consolidation #1

Merge pull request #61 from petiaccja/interpolation-cleanup

Interpolation cleanup

readme fir realizations

tidied up FIR tests

restored release functionality for ci

weeded out internal compiler errors and warnings

vectorized numerics