Fixes typos in example3 and fixes HEX value for setAlgoSamples

Author: edspark

examples/Example3_modify_AGC_Algo/Example3_modify_AGC_Algo.ino

@@ -62,7 +62,7 @@ void setup(){
     Serial.println("Sensor started!");
 
   // Adjusting the Automatic Gain Control (AGC) Algorithm
-  int error = bioHub.setAlgoRange(algoRange));
+  int error = bioHub.setAlgoRange(algoRange);
   if (error > 0){
     Serial.println("Could not set algorithm's Range.");  
   }
@@ -99,7 +99,7 @@ void setup(){
   Serial.print("Algorithm set to: ");
   Serial.println(sampVal);
 
-  Serial.println("Configuing Sensor.");
+  Serial.println("Configuring Sensor.");
   error = bioHub.configBpm(MODE_ONE);
   if (error > 0){ 
     Serial.println("Could not configure the sensor.");

src/SparkFun_Bio_Sensor_Hub_Library.cpp

@@ -899,7 +899,7 @@ uint8_t SparkFun_Bio_Sensor_Hub::setAlgoSensitivity(uint8_t sense) {
 uint8_t SparkFun_Bio_Sensor_Hub::setAlgoSamples(uint8_t avg) {
 
   // Successful communication or no?
-  uint8_t statusByte = writeByte(CHANGE_ALGORITHM_CONFIG, SET_AVG_SAMPLES, AGC_SENSITIVITY_ID, avg); 
+  uint8_t statusByte = writeByte(CHANGE_ALGORITHM_CONFIG, SET_AVG_SAMPLES, AGC_NUM_SAMP_ID, avg); 
   if( statusByte != SUCCESS )
     return statusByte; 
   else