v0.8

New features regarding arguments of generic functions, nested tuple unpacking, boolean ranges, array range literals, implicit coercion from Int to Float, support for different radices and underscores in numeric literals, refactoring of division and exponentiation operators, new operator for testing divisibility, several bugfixes, some changes in the syntax; fixed compatibility with Linux, lowered Python requirement to version 3.6, added support for PyInstaller, improved speed of compilation.