Add missing </td>
Reformat parameter lists and tweak CSS
Change copyright year
Split NumPut/NumGet into separate files

Cherry-picked from v2/e90dbe7 with minor modifications.
array -> pseudo-array
Tweak param CSS for easier reading
Add NumPut/NumGet description to Functions.htm
Add NumGet/NumPut to commands/index.htm
Reduce "large font" size on commands/index.htm
Remove references to dead/unsupported operating systems

Cherry-picked from the following v2 commits:
    a9f4d8067b  37ab87f8a0  88d2c14772
Remove more references to dead/unsupported operating systems.

Cherry-picked from the following commits with minor changes:
    98f4275c16  37b64962bc  4020458afa
Add example for downloading to a var
Expand Vista+ FAQ
Make WinActive() and WinExist() consistent; link them to IfWin*.htm
Rename IfWinExist/Active.htm to WinExist/Active.htm
Add WinExist("A") tip to WinActive.htm
Remove more references to dead/unsupported operating systems
Update links to NumPut/NumGet
Minor fixes
Add ActiveX and Custom controls to index