Use Bill model to connect to TLO

[annaderengowski]

Using the Bill model (probably bill ID?), loop through the bills in our db and connect to the appropriate witness list(s) for the bill on Texas Legislature Online

Example witness list URL:
https://capitol.texas.gov/tlodocs/86R/witlistbill/html/HB00864H.htm

URL breakdown:
https://capitol.texas.gov/tlodocs//witlistbill/html/.htm

[Niicck]

Currently working on this!