Added showdebug command. Also: * Added an exported constructor to RChildProcess so the iProcess handle was set to zero on construction. * Fixed bug in fshell_builddocs script that created HTML relative links with backslashes instead of forward slashes.

X one
X twoX threeX four
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X seven…X eight
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Before 111
Before 222
Before 333…Match
After 111
After 222
After 333
And so on and so on
And so on and so on