New functions, interactive mode

• Moves dotfiles functions to shellbase.
• Handles interactive mode.

New function: semver

• Add semver function.
• Do not use readonly for local variables.
• Replace wget with curl.

Fix spacing in time printing

• Add inside function.
• Fix spacing.

Minor updates

• Add is_solid function
• Move echo function to base.sh
• Sort all functions in alphabetic order

Improve readability

• Move setting options errexit and nounset to the library.
• Update software for tests.

Fix bug in global arguments handling

v0.9.20220914

New release v0.9.20220914

Fix bugs

v0.9.20220904

New release v0.9.20220904

Big rename

• Apply Google style.
• Add colors to logger, add timestamp to API.

Readability improvements

• Use proper way to silence a function.
• Add prettytable.
• Remove unnecessary slashes after pipes and others.

Design improvements

• Keep consistent behavior in multiple functions.
• Most functions should not use error logs.
• Print information log by default.
• Add --quiet flag.
• Add new unit tests.
• Use parameters as a question in yes_to_continue.
• Rename function usr_exists to user_exists.