Fixes and improvements

• Fixed ElegantBro\Money\Operations\Devided
• Make file improved
• Dependencies updated

Documentation update

Significant README update, new Wrapper class to avoid code duplication.

Docker updates and make file

Update Dockerfile for upgraded composer and xdebug (#20)

* Update Dockerfile for upgraded composer and xdebug

* fix Dockerfile, add Makefile

* fix travis-ci problem with xdebug

Minimim and Maximum of money Lot

Add minimum and maximum operations (#17)

* add MinOf, MaxOf and related, up interfaces dependency

Cached money

add cached amount money, add functional money

Сonvenient comparison methods are added to Compare class

Merge pull request #14 from elegant-bro/feature-conviniet_comp_methods

added convenient comparison methods to Compare class

Useful comparison features

SameAs decorator - create money with the same currency/scale and given amount
ZeroOf decorator - create money with the same currency/scale and zero amount
Compare::withZero - secondary constructor for comparing the given money with zero

Fix autoload functions

Fix functions autoload in composer.json

Scale added to money interface

Merge pull request #8 from elegant-bro/update-deps

update vendors and elegant-bro/interfaces dep to 1.0

Minimal features implemented

Merge pull request #1 from elegant-bro/dev01

Dev01