Remove old phpcpd Dependency

• Removed useless old versions of phpcpd (#136)

Fix Handling of .dont File In Root Directory

Handle .dont files in root directory (#135)

Multiprocessing

Adds multiprocessing for tools that support it natively.

• Multiprocess (#133)
• Use --fix as flag for eslint (#134)

Change of Underlying Infrastructure

This is a rewrite of the terminal command compilation by the coding-standard (#132)

Fixed Git Submodule Detection

• .git in submoduls are files (#131)
• This pullrequest is rather cosmetic. There are no changes in behavior. (#130)

Fixed empty catch rule

#96

Path related Bugfixes

• This change will fix several problems in relation to file paths (#128)
• Remove unused features (#127)

Update Stylelint

#125 #121

Update Stylelint

#121

Solving Compatibility Issues

Remove PHPStan check for parameter count (#124)
Remove symfony/finder dependency (#123)
Replace nativ unsafe functions with safe functions (#12)
Bump some packages (#120)