Bump version to 0.5-2
Roxygenize
new function .require.package
use .require.package instead of require.package
use devtools for package development
cosmetic
Merge branch 'cosmetic' into 104-require-cosmetic
Merge branch 'cosmetic'
helper functions .has.project and .unload.project
by default don't attach packages loaded by internal code
migration tests
Merge pull request #125 from johnmyleswhite/104-require

Don't attach packages loaded by internal code
update NEWS
reduce commits when bumping
Roxygenize
Bump version to 0.5-2.1
Merge branch 'master' into full-test