v0.4.0

• Fix typo and link to docs (#51)
• support for building a .phar command line utility from project sources (#52)
• Added vendor/project namespace, restructured folders for PSR-4 (#58)
• Removed obsolete root dir in stub, Application and TestReporterCommand (#56)
• Updated symfony/console to require v2 or v3 (#60)
• issue-54/selfupdate-rollback-logs-docs (#61)
• Remove warning about default branch from readme (#62)