Merge pull request #49 from Ragnar-F/master

Fixed some broken links
Merge pull request #50 from Ragnar-F/master

Checked and fixed via W3C validator; Changed color table
Fix "transparency of a window" index entry
Fix typo in GetKeyState
Add #if and/or limitation
Add link to PostMessage examples from Shutdown
Add meta-functions syntax block
Add compatibility notes about +Owner and v1.1.03+
Fix Send character limitations (or lack thereof)
v1.1.09.01
Add outline of multi-dimensional array assignment
Merge pull request #51 from SAPlayer/patch-10

Added "Link" at "Add"
v1.1.09.02
v1.1.09.03
Clarification for GuiControl/Get: must specify Gui even for var or HWND
Merge branch 'master' of https://github.com/Lexikos/AutoHotkey_L-Docs
Remove unused CSS CommandSyntax class (reference: https://trello.com/card/remove-css-class-commandsyntax/4ff142712c442e040466599d/37)
Add mathematical functions to the index page (reference: https://trello.com/card/missing-items-on-command-und-function-index/4ff142712c442e040466599d/13).
Oops, almost missed Sqrt().
Elaboration for DllCall error -3