Merge pull request #39 from getsimpletools/main

PHP8 Update. Bump nikic/php-parser version and updated functions

Merge pull request #33 from peter279k/issue_#32

Resolving issue#32

Merge pull request #30 from sdoatput/add-missing-return-types

Add missing return types in SandboxedString

Merge pull request #27 from mortenson/mortenson/fixes

Fix issues with closures, traits, aliases, and interfaces

Merge pull request #25 from Corveda/v3.0-branch

V3.0 release

Merge pull request #6 from jecknig/master

Correctly escape strings for use in executed code

Updated docs and README

Merge pull request #29 from ne0h12/master

Fixed zendframework repositories in composer.json

- Addressed issue #18 where arrays may potentially allow for compromi…

…sing the sandbox by encapsulating unsandboxed callables

- changed the way values are passed as arguments to calls to address …

…referencing issues