Processmanager: read_wait() always returns result

read_wait() should return result when process is inactive.
Merge pull request #114 from alpaca-tc/master

Processmanager: read_wait() always returns result
OptionParser: Add OptionParser, an option parser library for Vim

This is option parser library for Vim.
It can parse key-value type options (of course, value can be omitted)
Interface is inspired by OptionParser in Ruby standard library.
OptionParser: Add a spec
OptionParser: Add a document
Merge pull request #116 from rhysd/add/OptionParser

Added Vital.OptionParser
Random.Xor128: Add a dependency
OptionParser: fix parsing and calling --help option

- fix funcref name.
- always include __unknown_args__ key for compatibility.
OptionParser: Fix typo in doc
OptionParser: Fix typo in spec
Merge pull request #118 from crazymaster/master

OptionParser: Fix typo
OptionParser: Fix some tests