Slim Validation Versions Save

This version supports slim/slim 4.x.

Changes:

• move changes from 3.0 to 4.0 (#68);
• added Slim 4 support (#48, #55 and #61);
• change the status badge branch from master to 4.0 (#71 and #72).

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This version supports slim/slim 3.x.

Changes:

• Fix Use templates link (#36 and #37);
• Update respect validation package (#34 and #38);
• Edit the command used to test in README.md (#42 and #43);
• Remove old PHP versions from Travis build (#51 and #52);
• Remove php-eye badge (#49 and #50);
• Comment type fix (#54);
• Bump guzzlehttp/psr7 from 1.4.2 to 1.8.5 (#57);
• Use GitHub Actions instead of Travis (#63 and #62);
• Remove composer lock file (#64 and #65);
• Remove --no-suggest option from composer install command (#66 and #67).

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Changes:

• fix Travis tests on hhvm (#28 and #29);
• fix StyleCI build (#30 and #31);
• fix validation in the case the request is incomplete (#32 and #33).

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Changes:

• Add template support (#22, #23).

Changes:

• add route parameter support (#18, #19);
• add an index in README.md (#20, #21).

Changes:

• Fix example (#14);
• Improve test organization (#13 and #15);
• Fix Scrutinizer issues (#16).

Changes:

• Use the middleware without adding it to the container (#9, #12).

• Validate subkey of a json request (#6 and #7);
• Validate subkey of a XML request (#10 and #11).

• Improved examples in README.md;
• Fixed a broken link (#1);
• fix README.md examples (#2);
• Add PHPEye badge (#3);
• Add Style.ci badge (#4).

First release.