v0.9.22

FilePathsBase v0.9.22

Diff since v0.9.21

• Moved Mmap and Test code to extensions
• Dropped UUID and Compat for later Julia version
• Still depending on Dates
• Should be non-breaking

Merged pull requests:

• Remove as much dependencies as possible (#172) (@longemen3000)
• add .gitignore (#174) (@longemen3000)
• update CI (#175) (@longemen3000)