Sync tests with upstream
Merge branch 'master' into upstream-updates

Conflicts:
	src/vierbergenlars/SemVer/expression.php
	tests/semver_test.php
Merge remote-tracking branch 'origin/upstream-updates' into upstream-updates
Update php-semver to match with node-semver@1.1.12
Update composer.json
Merge branch 'master' into upstream-updates
Immediately replace all wildcards when a version is entered
It was node-semver@1.1.2 :o
Fixed expressions like <=?[0-9]+.(x|[0-9]+)(.x)?
Merge remote-tracking branch 'origin/upstream-updates' into upstream-updates
Remove var_dump