Took the proper columns for coxph based on stargazer.
declare coxph method of extract.coef
Added get.assign.coxph and created a function to check for the intercept for matchCoefs
Got rid of dontrun.
accepting ignore addition

Merge branch 'survival' of https://github.com/jaredlander/coefplot into survival

Conflicts:
	man/extract.coef.coxph.Rd
accepting new version bump, new date, and suggests.
also news.
accepting proper example.
declared get.assign for cox.
accepting proper example for extract.coef
help file for get.assign.coxph
accepting scratch files.
practiced get.assign.coxph