Timestamps, hash tag support, Guzzle and debug output

Added

• Timestamps of the photos (thanks to @devotoare)
• Timeout fetching the Instgram page, default to 5 seconds, can be changed in the config file (thanks to @mhayes14)
• Support for hashtags (thanks to @JeroenOnstuimig)
• Function to return configured account name
• Guzzle http client
• Debugging Output (log level debug)

Fixed

• Some typos (thanks to @ryanpcmcquen)