0.6.0

Add implicit cast from array to slice. (Fixed compile time vs constant IR code emit).
Fix invalid conversion of the sizeof result to Any.
Fix local functions in nested scope.
Fix nested function implicitly capturing members of upper scope.
Fix segfault on global initializer nesting.
Fix LLVM cast assertions on string array to slice conversion.
Fix invalid sizeof operator result on array elem values and struct memers.
Fix lambda functions inside nested scope.
Add implicit conversion from pointers to bool.
Add union data type.
Add support of Windows terminal color output.
Add testing formaters for printing float values.
Add support of MSVC CoveView and PDB debug database generation via LLVM API.