2.1.0

Minor release with some new features and bug fixes.

Bugs fixes:

• Fixed bug where replacing placeholder string in file names would fail on certain files by treating said files as directories
• Fixed bug where Skely attempting to replace placeholder string in non-utf8 files would fatal error and cause new project to be created with only some files properly searched and replaced through

Features:

• Added version flag
• Added shell completion support through sk completion command (#1 by @pants721)

Full Changelog: v2.0.0...v2.1.0