requirements.txt: Use custom sarge with Win fixes

sarge was not correctly handling .bat and .cmd files,
preventing `gem` and similar from being executed.

Closes #231
12 jobs for yuki_is_bored/php-install-dir in 16 minutes and 6 seconds (queued for 5 seconds)
latest
Status Job ID Name Coverage
  Test
passed #223967849
check_code

00:01:42

passed #223967848
moban

00:01:11

failed #223967845
test:arch

00:03:23

failed #223967830
test:fedora_25_py35

00:15:00

0.0%
failed #223967836
test:fedora_28_py37

00:16:06

0.0%
passed #223967840
test:opensuse_leap

00:15:17

0.0%
failed #223967827
test:ubuntu_rolling

00:01:10

 
  External
passed codecov/patch

100.0%
passed codecov/project

97.59358%
failed continuous-integration/appveyor/branch

failed continuous-integration/appveyor/merge-request

passed codecov/project

88.26152%
 
Name Stage Failure
failed
test:fedora_25_py35 Test
=============================== warnings summary ===============================
tests/AnyOneOfRequirementsTest.py::AnyOneOfRequirementsTestCase::test_skip_requirement
/builds/coala/package_manager/dependency_management/requirements/AnyOneOfRequirements.py:45: UserWarning: Exception of type NotImplementedError occurred : ('Requirement for testing only.',)

warnings.warn(message.format(type(e).__name__, e.args))

-- Docs: http://doc.pytest.org/en/latest/warnings.html
======== 1 failed, 179 passed, 43 skipped, 1 warnings in 210.55 seconds ========
ERROR: Job failed: exit code 1
failed
test:ubuntu_rolling Test
                                 Dload  Upload   Total   Spent    Left  Speed
0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
$ tar -xf Julia.tar.gz
tar: This does not look like a tar archive

gzip: stdin: unexpected end of file
tar: Child returned status 1
tar: Error is not recoverable: exiting now
ERROR: Job failed: exit code 1
failed
test:arch Test
  Skipped: Current root is not booted.
(3/5) Creating system user accounts...
(4/5) Arming ConditionNeedsUpdate...
(5/5) Updating the info directory file...
$ export PATH=$PATH:$PERL_PATH
$ sed -i 's/#Color/Color/g' /etc/pacman.conf
$ su docker -c "pacaur -Syu --noconfirm --noedit"
bash: pacaur: command not found
ERROR: Job failed: exit code 1
failed
test:fedora_28_py37 Test
=============================== warnings summary ===============================
tests/AnyOneOfRequirementsTest.py::AnyOneOfRequirementsTestCase::test_skip_requirement
/builds/coala/package_manager/dependency_management/requirements/AnyOneOfRequirements.py:45: UserWarning: Exception of type NotImplementedError occurred : ('Requirement for testing only.',)

warnings.warn(message.format(type(e).__name__, e.args))

-- Docs: http://doc.pytest.org/en/latest/warnings.html
======== 1 failed, 179 passed, 43 skipped, 1 warnings in 280.76 seconds ========
ERROR: Job failed: exit code 1