Version 1.4.1

* Fixed race condition

Version 1.4.0

#4: Added object/dictionary conversion and duck typing; Refactored in…

…to multiple files

Updated version and added symbols package

Fixed: When converting lists, null values are removed

Fixed: Cannot convert null to Enum type, should return (Enum)0

Fixed: "1.00E+02" cannot be converted to a decimal number type

Fixed: object[] could not be converted to object

Fixed: Converting enum and others to nullable enum failed (follow-up …

…to previous commit)

Fixed: Converting number to nullable enum failed