Bugfix | 1907 stubs for Exceptions

[AlexNDRmac]

Hello!

• Type: bug fix
• Link to issue: Zephir stubs remove slash from \Exception class when extending #1907

• Added tests
• Fixed stub generation in case of Exception
• Fixed stub generation in case of use declaration with FQN
• Improved sharness tests
• Excluded sharness temp directory from CS-Fixer inspection

Thanks

[codecov]

Codecov Report

Merging #1964 into development will decrease coverage by <.01%.
The diff coverage is 0%.

@@                Coverage Diff                @@
##             development    #1964      +/-   ##
=================================================
- Coverage          33.94%   33.94%   -0.01%     
- Complexity          8256     8258       +2     
=================================================
  Files                561      561              
  Lines              44937    44939       +2     
=================================================
  Hits               15254    15254              
- Misses             29683    29685       +2

[sergeyklay]

Thank you