* Fixed headers and linter marks applied
Headers were wrong.
Applied some linter suggestions. There are still many left.
* CMake adjusted for single header
CMake can now install the single header.
Removed an unneeded header.
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Co-authored-by: Berscheid <1885260+pantor@users.noreply.github.com>
* test
* improve ast
* add if statement
* shunting-yard start
* renderer as node visitor
* improve ast
* improve ast further
* first functions
* improve ast v3
* improve ast v4
* fix parser error location
* nested ifs
* fix comma, activate more tests
* fix line statements
* fix some more tests
* fix callbacks without arguments
* add json literal array and object
* use switch in expression
* fix default function
* fix loop data
* improved tests and benchmark
* fix minus numbers
* improve all
* fix warnings, optimizations
* fix callbacks argument order
* dont move loop parent
* a few more test
* fix clang-3
* fix pointers
* clean
* update single include
