bm-random

#BM-Random

This module provides some useful functions that uses random.
##Installation
``
$ npm install bm-random
`
##API:

####fromArray
`
.fromArray(array: array): any
`
Returns a random element of array or undefined if array is empty

####fromRange
`
.fromRange(min: number, max: number, step: number = 1): number
.fromRange(options: { min: number, max: number, step: number = 1 })
`
_Preconditions:_
- _max should be greater than or equal to min_
- _step should be positive_
- _the difference between max and min should be a multiple of step_

Returns a random number in \[min; max\] whose distance from min is a multiple of step

####neutral
`
.neutral(n: number): number
`
_Preconditions:_
- _n should be a neutral number_

Returns a neutral number that is lesser than n`