(Swift) Download a Jira Attachment
      
      Demonstrates how to download a Jira attachment to a file. 
		
 
      
func chilkatTest() {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.
    let http = CkoHttp()!
    http.followRedirects = true
    // Provide the username/password for authentication
    http.login = "jira@example.com"
    http.password = "JIRA_API_TOKEN"
    // The URL for a Jira attachment has this format: 
    // https://your-domain.atlassian.net/secure/attachment/{attachment_id}/{attachment_filename}
    var url: String? = "https://chilkat.atlassian.net/secure/attachment/10001/starfish.jpg"
    var localFilePath: String? = "qa_output/starfish.jpg"
    var success: Bool = http.download(url, saveToPath: localFilePath)
    if success != true {
        print("\(http.lastErrorText!)")
        return
    }
    print("Successfully downloaded Jira attachment.")
}
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