v2.0.0

This is a big one, because @BlastBrothers managed to build everything from source (thanks a lot!). I bumped the major version because of the massive changes.

What's Changed

• Fix bug in return value of strcmp/strncmp by @calc84maniac in #12
• Add a compile script and instructions by @robogeek42 in #11
• Update MOS sysvars struct (RTC, mouse) by @BlastBrothers in #16
• Add missing VDP command 23,27,0x26 by @robogeek42 in #13
• Update README to remove out of date VDU commands by @robogeek42 in #14
• Add directory handling functions exposed in newer MOS releases by @HeathenUK in #18
• Add audio api. Fix vdp_define_colour. Add vdp_plot general command. by @robogeek42 in #15
• Enable builds from source, clean up README by @BlastBrothers in #25

New Contributors

• @calc84maniac made their first contribution in #12
• @HeathenUK made their first contribution in #18

Full Changelog: v1.3.0...v2.0.0