[Bug-wget] [Bug-Wget][PATCH] Additions to new Python based Tests

[Darshit Shah]

Sending a bunch of patches (6 nos.) which should all apply cleanly on top
of the parallel-wget branch.

Notable changes through these patches:
1. New Environment variable:R_WAIT. If set, the value of SERVER_WAIT will
be used as the amount of seconds to sleep before the Wget executable is
invoked. This is often useful when debugging using different wget
executables.
2. We can now start the Server in HTTP/1.0 mode too. HTTP/0.9 may also
work, but I haven't tried it yet. An example test that does this will be
pushed soon. It however directly references Python http.server's class
variables.
3. Support for spawning HTTPS servers.

Please let me know your thoughts on this series of commits and if any
changes are required.

-- 
Thanking You,
Darshit Shah

0001-Split-large-function-to-improve-readability-and-exte.patch
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0002-Improve-error-handling-when-wget-executable-isn-t-av.patch
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0003-Correct-the-call-to-stop_HTTP_Server.patch
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0004-Support-programatically-setting-Handler-class-variab.patch
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0005-Sleep-for-n-seconds-before-calling-Wget-Executable.patch
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0006-Add-support-for-HTTPS-Servers.patch
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