fork tracking

[pi0]

• Console warning instead of error for non-POJO values (Warn using consola instead of throwing Error #1, feat: env vars to adjust warning behaviour #2, fix: properly log message for symbolic keys #3)
• toJSON handling improvement (Better handling toJSON + tests for toJSON #4)
• IE11 support ( ie11 support #6)
• Create enumerable objects (fix: create enumerable objects #7)
• License switch from LIL to MIT (chore: switch from LIL to MIT #9)
• Avoid duplicate parameters (fix: avoid duplicate parameter names #12)

[pi0]

(closing since 2.x is completely diverged from upsteam)