v0.4.4

What's Changed

• drivers,uart: small improvements and cleanup by @wipawel in #258
• Memory-Type Range Registers (MTRR) support by @82marbag in #261
• tasks: run test_main() as a BSP task by @wipawel in #264
• tasks: make tasks functions return unsigned long value by @wipawel in #265
• Add basic support for user land address space by @wipawel in #269
• Many small fixes and improvements required for user tasks support by @wipawel in #268
• smp: add an abstraction handling detected CPUs' metadata by @wipawel in #266

Full Changelog: v0.4.3...v0.4.4