Relaxed mode with "ignore_errors" option

[kavitharaju]

This PR includes

• Use of ignore_errors option on CLI and in class methods. Ignore_errors flag to work in a relaxed mode #200
• Tests for the above feature
• Removed slash from the closing markers in dict/JSON output
  Before:

{  "w": "verse",
    "attributes": [ { "lemma": "gloassary entry"} ],
    "closing": "\\w*"   }

After:

{  "w": "verse",
    "attributes": [ { "lemma": "gloassary entry"} ],
    "closing": "w*"   }

• A new gitactions workflow to do test publishing on test.pypi
• Ignoring a long file that takes more than 30s to convert to dict
• Version number change for next publishing on PyPi