Dividing the logic in FileFetcher into multiple processors. (#6)

.codeclimate.yml

@@ -13,4 +13,5 @@ exclude_patterns:
  - "**/*.xml"
  - ".circleci/"
  - ".gitignore"
+ - "docs/"
 

DoxygenLayout.xml

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README.md

@@ -5,3 +5,5 @@
 [![Test Coverage](https://api.codeclimate.com/v1/badges/9271381959f9ae2d2c46/test_coverage)](https://codeclimate.com/github/GetDKAN/file-fetcher/test_coverage)
 
 Utility library to fetch remote files.
+
+The main class provided by this library is FileFetcher::FileFetcher.

docs/FileCopyInterruptedException_8php.html

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+<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">class &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="classFileFetcher_1_1FileCopyInterruptedException.html">FileFetcher\FileCopyInterruptedException</a></td></tr>
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+<tr class="memitem:namespaceFileFetcher"><td class="memItemLeft" align="right" valign="top"> &#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="namespaceFileFetcher.html">FileFetcher</a></td></tr>
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