Merge pull request javascript-obfuscator#547 from javascript-obfuscat…

…or/exponentiation-operator-fix

Fixed support of exponentiation operator

Merge pull request javascript-obfuscator#544 from javascript-obfuscat…

…or/issue-542

Fixed wrong rename of object pattern identifiers

Merge pull request javascript-obfuscator#541 from javascript-obfuscat…

…or/rc4-encoded-value-collision-fix

Fix of rc4 encoded values collision

Merge pull request javascript-obfuscator#537 from javascript-obfuscat…

…or/issue-535

Fixed runtime error with class expressions

Updated copyright

Merge pull request javascript-obfuscator#532 from javascript-obfuscat…

…or/sanitize-of-class-scopes

Added class scope sanitizing

Version update to 0.24.0

Merge pull request javascript-obfuscator#506 from javascript-obfuscat…

…or/optional-catch-binding

Optional catch binding support and super class expression parenthesis support

0.23.1 release

Merge pull request javascript-obfuscator#502 from javascript-obfuscat…

…or/transform-object-keys-numeric-keys

Fixed numeric keys removal on extract during object keys transformation