Removed the vendor directory

.gitignore

@@ -0,0 +1,4 @@
+.DS_Store
+composer.phar
+vendor
+.idea/

README.md

@@ -78,7 +78,7 @@ $distance = $calculator->to('mi', 3, false);
 $results = $calculator->toMany(['km', 'mi'], 3, true);
 ```
 
-The above call returns an associative structured as follows:
+The above call returns an associative array structured as follows:
 
 ```php
 array(2) {

composer.json

@@ -1,11 +1,12 @@
 {
     "name": "frostybee/geobee",
     "description": "A simple, stand-alone PHP library for calculating the distance between geographical coordinates.",
-    "version": "1.0.1",
+    "version": "1.0.2",
     "keywords": ["Vincenty formulae", "haversine", "geodesic distance"],
     "homepage": "https://github.com/frostybee/geobee",
     "type": "library",
     "license": "MIT",
+    "minimum-stability": "dev",
     "autoload": {
         "psr-4": {
             "Frostybee\\Geobee\\": "src/"
@@ -17,4 +18,4 @@
     "require": {
         "php": ">=8"
     }
-}
+}

examples.php

@@ -10,6 +10,7 @@
  * To: Laval (postal code area: H7T) 
  *     Latitude/Longitude: 45.55690, -73.7480
  */
+
 $from_latitude = 45.4987;
 $from_longitude = -73.5703;
 $to_latitude = 45.55690;
@@ -25,35 +26,60 @@
 )->to('km');
 
 echo '<pre>';
+echo '---------- <br>';
+echo sprintf(
+    "The distance between point(%f, %f) and point(%f, %f) is %f km",
+    $from_latitude,
+    $from_longitude,
+    $to_latitude,
+    $to_longitude,
+    $distance
+);
 echo '<br>';
-echo $distance;
-echo '<br>';
-
+// Distance in meters.
 $distance = $calculator->calculate(
     $from_latitude,
     $from_longitude,
     $to_latitude,
     $to_longitude
 )->getDistance();
-echo '<br>';
-// Distance in meters.
-echo $distance;
+echo '---------- <br>';
+echo sprintf(
+    "The distance between point(%f, %f) and point(%f, %f) is %f m",
+    $from_latitude,
+    $from_longitude,
+    $to_latitude,
+    $to_longitude,
+    $distance
+);
 echo '<br>';
 // Examples of single conversions:
-echo $calculator->to('mi', 3, false); // False to round UP, true, round down.
+$distance = $calculator->to('mi', 3, false); // False to round UP, true, round down.
+echo '---------- <br>';
+echo sprintf(
+    "The distance between point(%f, %f) and point(%f, %f) is %f mi",
+    $from_latitude,
+    $from_longitude,
+    $to_latitude,
+    $to_longitude,
+    $distance
+);
 echo '<br>';
-echo 'Rounded: ';
+echo '---------- <br>';
+echo 'Rounded distance: ';
 echo $calculator->to('km', 2, false); // False to round UP, true, round down.
-
 echo '<br>';
+echo '---------- <br>';
 // Convert to all supported length units.
+echo 'Distance converted to all units of lengths<br>';
 $results = $calculator->toAll(2, true);
 //echo $calculator->to('nm', 5, false);
 var_dump($results);
 // Convert to multiple (one or more).
 $results = $calculator->toMany(['km', 'mi'], 3, true);
+echo '---------- <br>';
+echo 'Distance converted to all units of lengths<br>';
 var_dump($results);
-
 // Test validation method.
 $is_valid = $calculator->is_coordinate($from_latitude, $from_longitude);
-var_dump($is_valid);
+var_dump($is_valid);

src/Calculator.php

@@ -115,9 +115,10 @@ public function to(string $unit, ?int $decimals = null, bool $round = true)
                 return 0;
             }
             if (!$this->unitExists($unit)) {
-                throw new Exception("The requested conversion to unit u=$unit wasn't possible:  the supplied unit either invalid or unsupported.");
+                throw new Exception("The requested conversion to unit u=$unit wasn't possible:  the supplied unit is either invalid or unsupported.");
             }
-            $conversion = $this->getConversion($unit);
+
+            $conversion = $this->getConversion(strtolower($unit));
             if (is_numeric($conversion)) {
                 $result =  $this->distance / $conversion;
                 if ($this->isPrecisionValid($decimals)) {