[Ohrrpgce] SVN: james/8909 Add plotscriting commands "get screen width" and "get screen height"

[subversion at HamsterRepublic.com]

james
2017-06-27 21:10:12 -0700 (Tue, 27 Jun 2017)
185
Add plotscriting commands "get screen width" and "get screen height"

Also add "set screen resolution" which will remain undocumented and experimental until gfx_directx can support it.
---
U   wip/const.bi
U   wip/custom.bas
U   wip/docs/plotdict.xml
U   wip/docs/plotdictionary.html
U   wip/plotscr.hsd
U   wip/scriptcommands.bas
U   wip/testgame/a-star.hss
U   wip/testgame/a-star.rpg
U   wip/whatsnew.txt