Initial modernization pass

Implements interfaces and adds type coverage to public API.

See #200

CHANGELOG.textile

@@ -2,8 +2,6 @@ h1. Changelog
 
 Here's a summary of changes in each release. The list doesn't include some small changes or updates to test cases.
 
-h2. Version 3.7.5 - upcoming
-
 h2. "Version 3.7.4 - 2019/12/15":https://github.com/textile/php-textile/releases/tag/v3.7.4
 
 * Fix issue where an inline tag preceding the last character, that is a glyph, is not rendered if the block tags are disabled with @Parser::setBlockTags@ (closes "#198":https://github.com/textile/php-textile/issues/198).

composer.json

@@ -12,12 +12,12 @@
     },
     "autoload": {
         "psr-4": {
-            "Netcarver\\Textile\\": "src/Netcarver/Textile/"
+            "Netcarver\\Textile\\": "src/"
         }
     },
     "autoload-dev": {
         "psr-4": {
-            "Netcarver\\Textile\\Test\\": "test/Netcarver/Textile/Test/"
+            "Netcarver\\Textile\\Test\\": "test/"
         }
     },
     "require": {
@@ -36,8 +36,6 @@
     },
     "scripts": {
         "test": "./vendor/bin/phpunit",
-        "cs": "./vendor/bin/phpcs",
-        "bump": "@php ./scripts/release.php",
-        "bump-dev": "@php ./scripts/release.php --dev"
+        "cs": "./vendor/bin/phpcs"
     }
 }

phpunit.xml

@@ -2,7 +2,7 @@
 <phpunit bootstrap="test/bootstrap.php">
     <testsuites>
         <testsuite name="Textile Test Suite">
-            <directory>./test/Netcarver/Textile/Test/</directory>
+            <directory>./test/</directory>
         </testsuite>
     </testsuites>
     <filter>