Homogenization of format of functions which do have an own page already
Better description of WinExist()
Removed WinExist() documentation and replaced by link to own page (IfWinExist.htm)
United documentaion of StringLen and StrLen() on page StringLen.htm

Adapted Links to StrLen() linking to page StringLen.htm
Corrected messed up html
Corrected links to StrLen() and WinExist()
Consistent pagetitle on StringLen.htm
More HTML Cleanup

Removed obsolete class="CommandSyntax" (see https://trello.com/card/remove-css-class-commandsyntax/4ff142712c442e040466599d/37)
Removed empty \<a\> and \<em\>-Tag
Changed licence to official standalone HTML format
Merge pull request #56 from Ragnar-F/master

Changed licence to official standalone HTML format
Merge pull request #58 from Uberi/sound-functions

Squashed to omit reverted changes/additions from commit history.
Revise SoundSet/SoundGet DeviceNumber parameter

Also:
- Fixed #Ex link in SoundGet.htm.
- Fixed typo "for >and< playback".
Revised KeyList for clarity
SoundGet/Set on Vista+ requires v1.1.10+
Remove some irrelevant technical detail from SoundGet/Set
Add a link to the forum for the Vista/7/8 soundcard analysis script
SoundSet preserves balance on Vista+
Update SoundSet/GetWaveVolume for v1.1.10-alpha4
Add Custom control documentation, needs example
Add Custom control example