Minor updates to test cases

Full Changelog: v1.0.4...v1.1.5

Modified PODCAST_PREFIX

As this have to be updated with the switch to Pocket Caster.

Use appex rather than clipboard

Found that for Pocket Casts we would need to use a different method to get the URL when doing "share" from within the app.

Switch from Pocket Casts from Google Podcast due to its turndown

Since Google Podcast is turning down their services this new release instead supports the Pocket Casts application instead.

Add support for Pythonista 3.4

• Now supports Python 3.10 included in Pythonista 3.4 (kept backward compatibility to old Pythonista)

Improvements made to RealPython parser

• Add so that also "additional links" being included in RealPython parser

Get rid of annoying warnings

• Update so that urllib3 part of requests won't throw unnecessary warning

Discarding empty links and allow use of clipboard instead of "share" while using macOS/IDE

• Replaced mocked clipboard with using actual clipboard using macOS with IDE instead use clipboard as input for validating parser
• Parser discards links without description (e.g. links to an image)

Initial version released

• Using Pythonista 3 for UI
• PythonBytes, TalkPythonToMe and RealPython as supported podcast parsers
• Initial tests