Add Platform.hpp
Move platform-specific code out of core
Change core to reference new namespace

Also place isMagnetLink back into core, it's not platform specific
Add missing namespace
Add platform specific file for windows
Compile platform independent code
Include platform.hpp and remove unused var
Implement shit
Fix typo
Reimplement shit until it starts working
Tried writing *something* for windows. anything to fill the void
Make compilining test executable an option
Add a way to access internal default save dir
Lots of bullshit changes that will be fixed
Did fuck all. It just works now. Session loading still broken
Various changes
"Refactor" CMakeLists.txt
Add back INSTALL and removed header guard from fucking cpp
Fix crash upon XDG_CONFIG_HOME not being defined
Win the battle against Cmake