[Diff since v1.0.0](v1.0.0...v1.0.1)

[Diff since v0.1.0](v0.1.0...v1.0.0)

**Merged pull requests:**
- Add missing edges in the graph corresponding to the "consists_of" and "has_ingredient" relationships (#8) (@DilumAluthge)
- Bump version number from "0.2.0-DEV" to "1.0.0-DEV" (#9) (@DilumAluthge)
- Add edges pointing from higher ATC levels to lower ATC levels (e.g. ATC2 --> ATC3) (#10) (@DilumAluthge)
- Bump version from "1.0.0-DEV" to "1.0.0" (#11) (@DilumAluthge)

**Merged pull requests:**

- Add the ability to build graphs from RxNorm files, and query those graphs for relationships (#1) (@DilumAluthge)
- Delete Manifest.toml (#2) (@DilumAluthge)
- Increase code coverage (#3) (@DilumAluthge)
- Add another unit test (#4) (@DilumAluthge)
- Clean up the examples (#5) (@DilumAluthge)
- Bump the version number from "0.1.0-DEV" to "0.1.0" (#6) (@DilumAluthge)
- Small improvements to the README and the documentation (#7) (@DilumAluthge)