Exporting safeParse and safeStringify methods

• docs(README): document safeParse and safeStringify methods 0c7eecf
• refactor: remove circular references during stringify b718c10
• docs(README): add link to audit report 204538d
• refactor: rename exception.description to exception.help f4b10d0
• improvement: update dependencies and add JSON utils e8615ac
• chore(deps): bump minimist from 1.2.0 to 1.2.5 (#12) 3e0c344

v2.2.8...v2.3.0