VM: Refactor callstack to Factor style
VM: Refactor code_blocks to Factor style
VM: Refactor code_heap to Factor style
VM: Refactor code_roots to Factor style
VM: Refactor collector.hpp to Factor style
VM: Refactor compaction.cpp to Factor style
VM: Refactor contexts to Factor style
VM: Refactor copying_collector.hpp to Factor style
VM: Refactor cpu-* to Factor style
VM: Refactor data_heap* to Factor style
VM: Refactor data_roots.hpp to Factor style
VM: Refactor debug.cpp to Factor style
VM: Refactor dispatch to Factor style
VM: Refactor entry_points to Factor style
VM: Refactor errors to Factor style
VM: Refactor factor.cpp/hpp to Factor style
VM: Refactor ffi_test to Factor style
VM: Refactor fixup.hpp to Factor style
VM: Refactor float_bits.hpp to Factor style
VM: Refactor free_list to Factor style