Add string convenient subprograms: Contains, Ends_With, Starts_With, Is_Lower, Is_Upper, Is_Basic, Is_Empty, Remove, Replace. Add string convenient subprograms: Contains, Ends_With, Starts_With, Is_Lower, Is_Upper, Is_Basic, Is_Empty, Remove, Replace.
* Upgrade UXStrings to version 0.5.0. Add lib_uxstrings2.gpr and lib_uxstrings3.gpr. * Fix withed path in lib_uxstrings3.gpr.
Replace usage of UTF-8 literal characters by their Ada name.
Add Simple Components dependency.
* Add UXStrings library to Alire. * Set minimal GNAT version for Alire. * Change version format in conformance to https://semver.org. Set UXStrings commit to some fixes.