v1.5.0

Complete rewrite of expr parser from scratch.

v1.4.5

• 3c6ea97 Fix check for nil interface

v1.4.4

• ab801d4 Allow passing nil to functions as nil interface{} (#87)
• 0d28b64 Add error message on running of nil program

v1.4.3

• Fixed type checked for undefined variables.

v1.4.2

• Fixed bug with compiling integer values to interface{} types.

v1.4.1

• Added bounds check for slice operations foo[0:5]

v1.4.0

• Added option to allow using undefined variables.
• Fixed getting default values out of maps.

v1.3.2

• Fixed checker for string slices.

v1.3.1

• Moved conf.Options out of internal package.

v1.3.0

• Added support for functions with variadic arguments.
• Added fast call opcode for special case functions.