edits to cg_ fxnms
added cg_committees and cg_legislaors fxns
fixed up cg_leg and cg_comm and sun_df fxns
decided to just return lists to match rest of pkg instead of httr responses
added fxn sun_df with methods for two function class outputs so far
added cg_bills, not finished yet though
changed cg_leg to output data.frame by default using sun_df, and options for list or httr response, #25
updated man pages for newer ver of roxygen2
added new param return to cg template
changed three cg_ fxns to use fromJSON to get a df, and added code to toggle btw three outputs
updated man files for new return param
added pagination params to cg_leg fxn, added param defs to functions
added cg_district for new congress api for district finding
removed importfrom for jsonlite
added param def and param use in various cg_* fxns
updated man files
added cg_votes fxn
added cg_nominations fxn
added new cg_* fxns, #22
added query param to all cg_* fxns, new template man file for query only
added order param to all cg functions