Add __name__ guards on usage examples

Also to account for the multiprocessing behaviour that happens when the code tries to spawn processes on Windows but can result in an infinite loop

README.md

@@ -27,9 +27,10 @@ The Web Extractor is used to obtain passage information directly from [Bible Gat
 ```python
 from meaningless import WebExtractor
 
-bible = WebExtractor()
-passage = bible.get_passage('Ecclesiastes', 1, 2)
-print(passage)
+if __name__ == '__main__':
+    bible = WebExtractor()
+    passage = bible.get_passage('Ecclesiastes', 1, 2)
+    print(passage)
 ```
 Output:
 ```
@@ -44,8 +45,9 @@ The YAML Downloader is which formats passages obtained from the Bible Gateway we
 ```python
 from meaningless import YAMLDownloader
 
-downloader = YAMLDownloader()
-downloader.download_passage('Ecclesiastes', 1, 2)
+if __name__ == '__main__':
+    downloader = YAMLDownloader()
+    downloader.download_passage('Ecclesiastes', 1, 2)
 ```
 Output:
 
@@ -65,9 +67,10 @@ The YAML Extractor uses the generated files from the YAML Downloader to find pas
 ```python
 from meaningless import YAMLExtractor
 
-bible = YAMLExtractor()
-passage = bible.get_passage('Ecclesiastes', 1, 2)
-print(passage)
+if __name__ == '__main__':
+    bible = YAMLExtractor()
+    passage = bible.get_passage('Ecclesiastes', 1, 2)
+    print(passage)
 ```
 Output:
 
@@ -84,11 +87,12 @@ The YAML File Interface is a set of helper methods used to read and write YAML f
 ```python
 from meaningless import YAMLDownloader, yaml_file_interface
 
-downloader = YAMLDownloader()
-downloader.download_passage('Ecclesiastes', 1, 2)
-bible = yaml_file_interface.read('./Ecclesiastes.yaml')
-bible['Info']['Customised?'] = True
-yaml_file_interface.write('./Ecclesiastes.yaml', bible)
+if __name__ == '__main__':
+    downloader = YAMLDownloader()
+    downloader.download_passage('Ecclesiastes', 1, 2)
+    bible = yaml_file_interface.read('./Ecclesiastes.yaml')
+    bible['Info']['Customised?'] = True
+    yaml_file_interface.write('./Ecclesiastes.yaml', bible)
 ```
 Output: