Function: to_boolean

DOC_MSE_VERSION: since 0.3.7

--Usage--
> to_boolean(any value)

Convert any value to a [[type:boolean]] representation.

Normally numbers are not converted to booleans automatically, with the to_boolean function @0@ is converted to @false@ while any other number is converted to @true@.

--Parameters--
! Parameter	Type			Description
| @input@	''any type''		Value to convert to a boolean.

--Examples--
> to_boolean(true)   == true
> to_boolean("true") == true
> to_boolean(1)      == true
> to_boolean(0)      == false
