Plugin code optimization

1.8.5

Code optimization

Update version

De 848 plugin does not support php 8 0 mailgun for wordpress (#137)

* Working on plugin. php 8.0 testing

* Php 8.0 compatibility checks. Widget fixes. Refactoring

* Do not use void for now for backward compatibility

* version update

Plugin refactoring. Widget fixes. php 8.0 fixes

1.8.3

Plugin refactoring. Widget fixes

Plugin refactoring. Small fixes

1.8.2

Plugin refactoring

Fix plugin for php 7.0

1.8.1

fix for php 7.0

Plugin refactoring. Version updated

1.8.0

Plugin updates

API Key description

Fix text (#126)

* text upd

Test with newer WP version

1.7.8

test with newer wordpress (#125)

Updated assets, tested WP 5.7

Wp5.7 upd (#120)

* test for fresh wp 5.7, update assets, latest updates

Version update

version update (#114)

Co-authored-by: Artem Bondarenko <[email protected]>