# Functions
ExitIfError exists with error message if err is not nil.
Fail prints failure message in stderr.
Failed prints failure message in stderr and exits.
FormatDateTimeHuman formats date time in human readable format.
GetConfigHome returns the config home directory.
GetJiraIssueKey constructs actual issue key based on given key.
Info displays spinner.
Navigate navigates to jira issue.
NormalizeJiraError normalizes error message we receive from jira.
ReadFile reads contents of the given file.
StdinHasData checks if standard input has any data to be processed.
Success prints success message in stdout.