.rp_checkAccessToken    Check & Auto-Renew Bearer Tokens (Internal)
.rp_env                 temporary working environment
.rp_make_multileg_payload
                        Build Multi-Leg Order Payload (Internal)
.rp_make_opt_symbol     Build Option Symbol (Internal)
.rp_make_ord_payload    Build Single-Leg Order Payload (Internal)
.rp_make_qte_payload    Build Dynamic Payload For rp_getQuote
                        (Internal)
.rp_read_tokens         Request token file (Internal)
rp_bars                 Get Bars V2
rp_cancel_order         Cancel Order
rp_fix_bars             Convert bars to data.frame
rp_getAccHist           Get History
rp_getAccToken          Get New Access/Bearer Token From Secret Key
rp_getAccts             Get Public Account Info
rp_getAcctsPort         Get Account Portfolio V2
rp_getAllInstruments    Get All Instruments
rp_getInstrument        Get Specific Instrument Information
rp_getOptChains         Get Option Chains
rp_getOptExp            Get Option Expiration Dates
rp_getOrderId           Order ID
rp_getQuote             Get Trading Quotes
rp_get_greeks           Get Option Greeks
rp_get_order            Get Order Details
rp_hist_bars            Get bars v2 with aggregation
rp_order_multi          Multi-Leg Live Order
rp_order_single         Single-Leg Live Order
rp_preOrder_multiLeg    Preflight Multiple-Leg
rp_preOrder_singleLeg   Preflight Single-Leg
