Giving good style and practices to de code from Style Guide for Python
Code: http://www.python.org/dev/peps/pep-0008/
Signed-off-by: Damián Rubio <rubiodamian22@gmail.com>
Merge branch 'master' of https://github.com/rubiodamian/syperCrawler.git

Conflicts:
	sypercrawler/items.py
	sypercrawler/lib/browsinglookups/Safebrowsinglookup.py
	sypercrawler/lib/browsinglookups/SafebrowsinglookupSingleton.py
	sypercrawler/lib/interfaces/itemcontext.py
	sypercrawler/lib/interfaces/reporting.py
	sypercrawler/lib/interfaces/suspiciouscheckable.py
	sypercrawler/lib/jsbeautifier/__init__.py
	sypercrawler/lib/jsbeautifier/unpackers/__init__.py
	sypercrawler/lib/jsbeautifier/unpackers/javascriptobfuscator.py
	sypercrawler/lib/jsbeautifier/unpackers/myobfuscate.py
	sypercrawler/lib/jsbeautifier/unpackers/packer.py
	sypercrawler/lib/jsunpck/jsparser.py
	sypercrawler/lib/jsunpck/jsunpck.py
	sypercrawler/lib/keywordanalizer.py
	sypercrawler/lib/linkcheck.py
	sypercrawler/lib/tag.py
	sypercrawler/lib/tagfactory.py
	sypercrawler/pipelines.py
	sypercrawler/settings.py
	sypercrawler/spiders/sypercrawler_spider.py