More parallel build tweaks.

echo "$PENDING" needs the quotes to avoid gluing the lines together, which
prevents wc -l or head -n +2 from working right.
Add cp -F to force delete of existing destination files, and make install command use that.

-F is equivalent to the gnu/dammit flag --we-think-long-options-without-short-options-are-a-good-idea
chmod testsuite and link testsuite.

Chmod ?

In this testsuite after change file mode bits, we are comparing file mode with expected ones.

One additional "." is coming with modes (actual result). That?s why test cases are getting failed.

This patch will remove additional "." from actual result.

Link ?
Added more test cases.
Testsuites for toybox command - "tar", "bzcat", "xzcat", "zcat" and "hostname".