feat: upgrade exprtk dependency to v0.0.3 (#250)

feat: Improve performance of built-in-functions via static regexes (#249

)

feat: improve the synced enforcer like Go casbin (#248)

feat: fix CI macOS error

feat: fix memory leak in Enforce() (#246)

feat: upgrade CI to use ubuntu-latest

feat: Basic model speedup (#245)

* feat: [basic_model_speedup] option to use unordered_set<vector> instead of vector<vector> for policies storage

* feat: [basic_model_speedup] ability unordered_set / vector be used as base collection on compilation

* feat: [basic_model_speedup] expalin work with collection

* feat: [basic_model_speedup] using hashes instead of vectors for basic model (allow) on enforcement

* feat: [basic_model_speedup] new fare benchmark for large basic model

* feat: [basic_model_speedup] cmake option to compile vector/unordered_set policy storage

* feat: [basic_model_speedup] filter test fix

* feat: [basic_model_speedup] new policy_collection that abstract vector/unordered_set

* feat: [basic_model_speedup] automatic usage of hashset when appropriated

* feat: [basic_model_speedup] automatic detection of hash usage without compilation option

* feat: [basic_model_speedup] CI fixes for linux

* feat: [basic_model_speedup] CI fix for Windows

fix: add missing persist/string_adapter.cpp to CMakeLists.txt (#238)

Signed-off-by: Fabian Sauter <fabian.sauter@apsensing.com>
Co-authored-by: Fabian Sauter <fabian.sauter@apsensing.com>

fix: CMake set_target_properties VERSION (#237)

feat: fix build warnings for all targets (#236)

fix: CMake import issues

fix: virtual destructor warning

chore: removed auto generated files