Add support for the different trend APIs
Update YARD documentation in a few API classes
Update README.md
Add an example section for trending to README.md
Merge branch 'master' into feature/trending

Conflicts:
	README.md
Add a guidance_by_threat method
Add an example of using guidance_by_threat
Merge remote-tracking branch 'feature/threat-guidance'
Merge remote-tracking branch 'feature/trending'

Conflicts:
	README.md
Merge pull request #6 from ipwnstuff/master

Add support for threat guidance and trending endpoints