and dependent commits c67934b1c3 and
f0d1dc5cee.
RubyCI and ci.rvm.jp are almost dead by timeout since this commit.
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Revert "Skip a reline test hanging on Wercker since 3b7862c8e8"
This reverts commit f0d1dc5cee.
Revert "Remove extra items because Reline::HISTORY is a sized queue"
This reverts commit c67934b1c3.
Revert "Use existing instances for LineEditor and Config"
This reverts commit 3b7862c8e8.