v2.0: modernise and rename project (#50)
* modernize and rename project
* use gcc-9
* improve compiler compatibility
* improve instalibility
* include array header
* install glue target
* remove lossy conversions
* add find_package(PEGParserGlue)
* disable shadown warning
* remove deprecated std::iterator
* remove conversion
* rename examples and unshadow member
* add example workflow
* remove arg name
* rename workflow
* try with auto
* remove default argument
* move callback type outside function
* rename peg -> presets
* move OtherExpression out of type declarations
* use template callback parameter
* unwrap call
* add missing args
* add explicit conversion
* add implicit args
* use explicit arguments
* add explicit conversion
* don't supress output
* abort windows tests