Use psr-4 autoloading and sort imports alphabetically (#38)

Author: simonschaufi

composer.json

@@ -20,7 +20,14 @@
         "slevomat/coding-standard": "^7.0"
     },
     "autoload": {
-        "psr-0": { "GeoJson\\": "src/" }
+        "psr-4": {
+            "GeoJson\\": "src"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "GeoJson\\Tests\\": "tests"
+        }
     },
     "extra": {
         "branch-alias": {

phpcs.xml.dist

@@ -88,6 +88,7 @@
             <property name="searchAnnotations" value="true"/>
         </properties>
     </rule>
+    <rule ref="SlevomatCodingStandard.Namespaces.AlphabeticallySortedUses"/>
 
     <!-- **************************************************************************** -->
     <!-- Exclude BC breaking type hints for parameters, properties, and return values -->

phpunit.xml.dist

@@ -7,13 +7,13 @@
 >
     <testsuites>
         <testsuite name="GeoJson Test Suite">
-            <directory>./tests/GeoJson/</directory>
+            <directory>./tests/</directory>
         </testsuite>
     </testsuites>
 
     <coverage ignoreDeprecatedCodeUnits="true" processUncoveredFiles="true">
         <include>
-            <directory suffix=".php">./src/GeoJson</directory>
+            <directory suffix=".php">./src/</directory>
         </include>
     </coverage>
 </phpunit>

src/GeoJson/BoundingBox.php renamed to src/BoundingBox.php

@@ -9,9 +9,9 @@
 use JsonSerializable;
 
 use function count;
-use function is_int;
-use function is_float;
 use function is_array;
+use function is_float;
+use function is_int;
 
 /**
  * BoundingBox object.

src/GeoJson/CoordinateReferenceSystem/CoordinateReferenceSystem.php renamed to src/CoordinateReferenceSystem/CoordinateReferenceSystem.php

@@ -6,11 +6,11 @@
 
 use RuntimeException;
 
-use function sprintf;
-use function is_object;
 use function get_class;
-use function gettype;
 use function get_debug_type;
+use function gettype;
+use function is_object;
+use function sprintf;
 
 class UnserializationException extends RuntimeException implements Exception
 {