v0.4.0

Changes

• Cleaner terminal output with log file generation
• POSIX compliant shell checks
• Move @pkg directive only work in Brickfile
• Full rewrite of file handling

Fixes

• Generated main.sh is now executable
• Syntax errors in brickfiles now show where they come from
• Throw error when using @target and @pkg outside Brickfile
• Fix incorrect cyclical dependency detections

Full Changelog: v0.3.1...v0.4.0