Merge branch 'release-0.4.0' into develop

* release-0.4.0:
  Bump version to 0.4.0
Specify utf-8 encoding when reading README file
Correct RBP for lbracket

Fixes #58
Merge branch 'fix-filter-projections' into develop

* fix-filter-projections:
  Correct RBP for lbracket
Fix bug in release script
Bump version to 0.4.1
Merge branch 'release-0.4.1'