Bump version to 0.5
Create .add.extension(extenstion, reader) function for supporting external readers

This allows the addition of custom readers.
rename test (for compatibility with master)
Merge branch 'master' into extensions

Conflicts:
	DESCRIPTION

Resolved using recorded resolution.
export translate.dcf function
Merge branch 'master' into v0.5-rc
Merge branch 'master' into extensions
Merge branch 'master' into v0.5-rc
Merge branch 'master' into v0.5-rc
Merge branch 'extensions' into v0.5-rc
refer to PR
refer to PR
Roxygenize
use require.package instead of library
Merge pull request #61 from johnmyleswhite/26-require.package

use require.package instead of library
reformat ChangeLog for compatibility with R NEWS format; new make target
rename ChangeLog to NEWS.md
.Rbuildignore
edit contributors
add reference to GitHub issue tracker