In fledge: Smoother Change Tracking and Versioning for R Packages

{fledge} consists of the following functions that enable versioning at different stages through the package development lifecycle.

Function Name | Description|Stage Applicable --------------|----------------|------------ bump_version(which)|Increments the package version based on argument. (Version format supported major.minor.dev.patch) |Configuration, Development, Release finalize_version()|Finalize the package version|Configuration, Development commit_version()|Commits NEWS.md and DESCRIPTION to Git.| Release tag_version()|Parses NEWS.md and creates/updates the tag for the most recent version.|Release update_news()|Update NEWS.md with messages from top level commits|Used by bump_version() update_version()|Update NEWS.md and DESCRIPTION with a new version|Used by bump_version()