v1.0.2

Description

• documentation updates
• add Value() method for getting underlay Golang value in objects

What's Changed

• add Value() function for objects to gather values without interface conversation by @lowelli in #18
• feat/builtin_optimize: some changes in builtins by @lowelli in #19
• from develop 1.0.2 by @lowelli in #20

Full Changelog: v1.0.1...v1.0.2