Merge tag '4.0.1' into develop

Version 4.0.1
- Fix: use ExceptionsLib1, not ExceptionsLib
- New: initial composer support
Fix: composer needs to install dev dependencies for Travis-CI
Fix: version the name of the composer component
Whitespace issue
Fixes: give up on versioned Composer package names; stop breaking PHPUnit
Version bump
Merge branch 'release/4.0.2'