Add laravel 7.x supports

[tarampampam]

Q	A
Bug fix?	No
New feature?	No

Description

Added

• Maximal illuminate/* packages version now is 7.*

Removed

• Unused dev-dependency jeremeamia/superclosure

Fixes #34

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I wrote unit tests for my code (if tests is required for my changes)
• I have made changes in CHANGELOG.md file

[tarampampam]

Codecov Report

Merging #35 into master will not change coverage by %.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #35   +/-   ##
=========================================
  Coverage     97.70%   97.70%           
  Complexity      105      105           
=========================================
  Files            23       23           
  Lines           262      262           
=========================================
  Hits            256      256           
  Misses            6        6           

---

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[codecov-io]

Codecov Report

Merging #35 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##             master     #35   +/-   ##
========================================
  Coverage      97.7%   97.7%           
  Complexity      105     105           
========================================
  Files            23      23           
  Lines           262     262           
========================================
  Hits            256     256           
  Misses            6       6

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 8f68633...420f439. Read the comment docs.