Support subdirectories in expectation files

• PR: #42 Thanks to @arnaudlabenne

Fixed #38

• Bugfix: Issue #38

Work to solve opened issues

• Fixed issue #35 by supporting symfony/cache v4
• Fixed issue #36 by adding json comparator.
• Small fixes and documentation update.

New feature described in #33

New feature:

• Support multiple matches to do group replacements in response. (#33)

Thanks to @buflix

Don't log very long expectations completely

Part of the fix for #32

Support binary response

This is the fix for the issue #30

Short syntax

Issue number #29

New features

• #23 (Have ability to search made request by condition)
• #25 (Have ability to define scenario state outside the expectation)
• #27 (Have ability to reset phiremock to intial state with expectation loaded from JSON files)

Thanks to @drudoi for his help on proposing and adding these features.

Support JSON body and bugfixes

New features:

• #17 Support JSON response in expectation by @dewa1t

Bugfixes:

• #19 Matches operator in URL condition brakes response body. This feature was bogus since the beginning. Now is fully functional thanks to @dewa1t

Using version 0.7 of React Php

• Now composer json request version 0.7.* of react.
• Adapted the HttpServer implementation to use the new features of react.