began aggregation of each year's college informaiton files'
added reduction of all years of school data into a single yearly file
created function to pull data from aggregated files
fixed problem with last column and complteted extraction of data indexes
fixed indexing and renamed some variables for consistency
added out of state list tuition variable and added all variables to the CollegeData structure
fixed printing of output on college data'
fixed bugs in printouts
finished extracting data except for last (2011 only) variable, which we are omitting for now
added output of carnegie, SAT, and admission percentage to final data file
adding more derived variables