Added correct `self-defending` code for `target: 'browser-no-eval'` (j…

…avascript-obfuscator#617)

javascript-obfuscator#610

Co-authored-by: sanex3339 <yarabotayuvyandex3339>

Merge pull request javascript-obfuscator#614 from javascript-obfuscat…

…or/mangled-memory-leak

Removed memory leak with `identifierNamesGenerator: 'mangled'`

Merge pull request javascript-obfuscator#608 from javascript-obfuscat…

…or/typescript-3.9

Typescript 3.9

0.28.1 version

Merge pull request javascript-obfuscator#599 from javascript-obfuscat…

…or/bigint-support

Bigint support

Merge pull request javascript-obfuscator#596 from javascript-obfuscat…

…or/issue-590

Normalize of invalid source code type argument

Merge pull request javascript-obfuscator#594 from javascript-obfuscat…

…or/issue-593

Fixed wrong external options merge

Merge pull request javascript-obfuscator#583 from javascript-obfuscat…

…or/multiple-sources-identifiers-prefix

Fixed identifiers prefix generation for `obfuscateMultiple` method

Merge pull request javascript-obfuscator#582 from javascript-obfuscat…

…or/commander-version-update

Commander version update

Merge pull request javascript-obfuscator#581 from javascript-obfuscat…

…or/multiple-sources-obfuscation

New `obfuscateMultiple` method