Create _freshrc_file to output the freshrc location.
Prompt to add "fresh lines" when entered from the command line.
Create an _ask function to clean up _add_to_freshrc.
Loop _ask function after an invalid answer.
Default _ask answer to Y.
Remove line break when waiting for a response.
Use the return value of _ask instead of checking ANSWER.
Rename _ask to _confirm.
Escape fresh lines when they're added.
Also check for local files.
Only prompt to update existing repos.
Move "Y/n?" prompt into _confirm.
Don't output a leading space when escaping stuff.
Add test for `_escape` helper function.
Add tests for `_confirm` helper function.
Output notes to stdout rather than stderr.
Test adding fresh lines via the CLI.
Test adding freshrc lines with parameters containing spaces.
Rename `_add_to_freshrc` to `_fresh_add` for consistency.
Merge pull request #48 from freshshell/prompt-to-add

Prompt to add "fresh lines" when entered from the command line.