Commits on Feb 15, 2024

1. Parse some abbreviated strings as relative dates …

   dateparser so far did consider strings like "1h20m" as an absolute time.
   This commit changes that, so "1h20" remains an absolute time, while
   "1h20m" is now considered a relative date. This makes the output much
   more predictable and not dependent on the use of whitespaces anymore.
   
   Fixes scrapinghub#1012
   
   Behavior before the changes:
   
   ```python
   >>> from datetime import datetime
   >>> import dateparser
   >>> ref_date = datetime(2023, 1, 2, 3, 4, 5)
   >>> dateparser.parse("1h20", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 20)
   >>> dateparser.parse("1h20m", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 20)
   >>> dateparser.parse("1h 20m", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 44, 5)
   >>> dateparser.parse("1h20m", settings={"RELATIVE_BASE": ref_date,
                                           "PREFER_DATES_FROM": "future"})
   datetime.datetime(2023, 1, 3, 1, 20)
   ```
   
   Behavior after the changes:
   
   ```python
   >>> from datetime import datetime
   >>> import dateparser
   >>> ref_date = datetime(2023, 1, 2, 3, 4, 5)
   >>> dateparser.parse("1h20", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 20)
   >>> dateparser.parse("1h20m", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 44, 5)
   >>> dateparser.parse("1h 20m", settings={"RELATIVE_BASE": ref_date})
   datetime.datetime(2023, 1, 2, 1, 44, 5)
   >>> dateparser.parse("1h20m", settings={"RELATIVE_BASE": ref_date,
                                           "PREFER_DATES_FROM": "future"})
   datetime.datetime(2023, 1, 2, 4, 24, 5)
   ```

   

   Dunedan committed Feb 15, 2024
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