Improve error message on method not found

[cmacdonald]

This addresses a suggestion in #538

Example before PR:

>>> Float = autoclass("java.lang.Float")
>>> Float.floatValue()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "jnius/jnius_export_class.pxi", line 1142, in jnius.JavaMultipleMethod.__call__
jnius.JavaException: No methods matching your arguments, requested: (), available: []

Example after PR:

>>> Float = autoclass("java.lang.Float")
>>> Float.floatValue()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "jnius/jnius_export_class.pxi", line 1142, in jnius.JavaMultipleMethod.__call__
jnius.JavaException: No static methods called floatValue in java/lang/Float matching your arguments, requested: (), available: []

[cmacdonald]

I think that github actions are broken. I wonder if #541 works?

[obfusk]

I think that github actions are broken.

Looks like the CI is configured to run on push but not for PRs.

[cmacdonald]

I think that github actions are broken.

Looks like the CI is configured to run on push but not for PRs.

But it runs on my fork instead, and failed for x86:
https://github.com/cmacdonald/pyjnius/runs/1282554361

Craig

[obfusk]

See #559.