Biggish reorganisation and better error handling
Biggish reorganisation and better error handling

scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool,scraperwiki/code-scraper-in-browser-tool