diff --git a/.gitignore b/.gitignore
index 22d0d82..052fb77 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1 +1,4 @@
+*.lock
+*.swp
 vendor
+phpunit.xml
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..21733de
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,11 @@
+language: php
+php:
+  - '5.4'
+  - '5.5'
+  - '5.6'
+  - '7.0'
+  - '7.1'
+  - nightly
+
+before_script: composer install
+script: composer test
diff --git a/composer.json b/composer.json
index eb1b903..9c8c499 100644
--- a/composer.json
+++ b/composer.json
@@ -1,20 +1,28 @@
 {
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-    "description": "A n-gram toolset.",
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-        }
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-        "html2text/html2text": "*"
-    },
-    "autoload": {
-        "psr-4": {"Ngram\\": "src/Ngram/"}
-    }
+	"name": "iannsp/ngram",
+	"description": "A n-gram toolset.",
+	"license": "GPL-3.0+",
+	"authors": [
+		{
+			"name": "Ivo Nascimento",
+			"email": "iannsp@gmail.com",
+			"role": "Author"
+		}
+	],
+	"require": {
+		"php": ">=5.4",
+		"html2text/html2text": "~2.0.1"
+	},
+	"autoload": {
+		"psr-4": {"Ngram\\": "src/Ngram/"}
+	},
+	"require-dev": {
+		"phpunit/phpunit": "~4.4"
+	},
+	"autoload-dev": {
+		"psr-4": {"Ngram\\": "tests/Ngram/"}
+	},
+	"scripts": {
+		"test": "phpunit --verbose"
+	}
 }
diff --git a/composer.lock b/composer.lock
deleted file mode 100644
index fd0c852..0000000
--- a/composer.lock
+++ /dev/null
@@ -1,895 +0,0 @@
-{
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-                    ]
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
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-        }
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-            "extra": {
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-                    "dev-master": "1.2.x-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                }
-            ],
-            "description": "Provides functionality to handle HHVM/PHP environments",
-            "homepage": "http://www.github.com/sebastianbergmann/environment",
-            "keywords": [
-                "Xdebug",
-                "environment",
-                "hhvm"
-            ],
-            "time": "2014-10-25 08:00:45"
-        },
-        {
-            "name": "sebastian/exporter",
-            "version": "1.1.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/sebastianbergmann/exporter.git",
-                "reference": "35ab8d385eef068186c83e23ae83c96b0288b3ee"
-            },
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-                "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/exporter/zipball/35ab8d385eef068186c83e23ae83c96b0288b3ee",
-                "reference": "35ab8d385eef068186c83e23ae83c96b0288b3ee",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3",
-                "sebastian/recursion-context": "~1.0"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.4"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.1.x-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Jeff Welch",
-                    "email": "whatthejeff@gmail.com"
-                },
-                {
-                    "name": "Volker Dusch",
-                    "email": "github@wallbash.com"
-                },
-                {
-                    "name": "Bernhard Schussek",
-                    "email": "bschussek@2bepublished.at"
-                },
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                },
-                {
-                    "name": "Adam Harvey",
-                    "email": "aharvey@php.net"
-                }
-            ],
-            "description": "Provides the functionality to export PHP variables for visualization",
-            "homepage": "http://www.github.com/sebastianbergmann/exporter",
-            "keywords": [
-                "export",
-                "exporter"
-            ],
-            "time": "2015-01-24 09:57:24"
-        },
-        {
-            "name": "sebastian/global-state",
-            "version": "1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/sebastianbergmann/global-state.git",
-                "reference": "c7428acdb62ece0a45e6306f1ae85e1c05b09c01"
-            },
-            "dist": {
-                "type": "zip",
-                "url": "https://api.github.com/repos/sebastianbergmann/global-state/zipball/c7428acdb62ece0a45e6306f1ae85e1c05b09c01",
-                "reference": "c7428acdb62ece0a45e6306f1ae85e1c05b09c01",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "require-dev": {
-                "phpunit/phpunit": "~4.2"
-            },
-            "suggest": {
-                "ext-uopz": "*"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                }
-            ],
-            "description": "Snapshotting of global state",
-            "homepage": "http://www.github.com/sebastianbergmann/global-state",
-            "keywords": [
-                "global state"
-            ],
-            "time": "2014-10-06 09:23:50"
-        },
-        {
-            "name": "sebastian/recursion-context",
-            "version": "1.0.0",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/sebastianbergmann/recursion-context.git",
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-            },
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-                "shasum": ""
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-            },
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-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "1.0.x-dev"
-                }
-            },
-            "autoload": {
-                "classmap": [
-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
-                {
-                    "name": "Jeff Welch",
-                    "email": "whatthejeff@gmail.com"
-                },
-                {
-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de"
-                },
-                {
-                    "name": "Adam Harvey",
-                    "email": "aharvey@php.net"
-                }
-            ],
-            "description": "Provides functionality to recursively process PHP variables",
-            "homepage": "http://www.github.com/sebastianbergmann/recursion-context",
-            "time": "2015-01-24 09:48:32"
-        },
-        {
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-            "version": "1.0.4",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/sebastianbergmann/version.git",
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-            },
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-                    "src/"
-                ]
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "BSD-3-Clause"
-            ],
-            "authors": [
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-                    "name": "Sebastian Bergmann",
-                    "email": "sebastian@phpunit.de",
-                    "role": "lead"
-                }
-            ],
-            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
-            "homepage": "https://github.com/sebastianbergmann/version",
-            "time": "2014-12-15 14:25:24"
-        },
-        {
-            "name": "symfony/yaml",
-            "version": "v2.6.3",
-            "target-dir": "Symfony/Component/Yaml",
-            "source": {
-                "type": "git",
-                "url": "https://github.com/symfony/Yaml.git",
-                "reference": "82462a90848a52c2533aa6b598b107d68076b018"
-            },
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-                "reference": "82462a90848a52c2533aa6b598b107d68076b018",
-                "shasum": ""
-            },
-            "require": {
-                "php": ">=5.3.3"
-            },
-            "type": "library",
-            "extra": {
-                "branch-alias": {
-                    "dev-master": "2.6-dev"
-                }
-            },
-            "autoload": {
-                "psr-0": {
-                    "Symfony\\Component\\Yaml\\": ""
-                }
-            },
-            "notification-url": "https://packagist.org/downloads/",
-            "license": [
-                "MIT"
-            ],
-            "authors": [
-                {
-                    "name": "Symfony Community",
-                    "homepage": "http://symfony.com/contributors"
-                },
-                {
-                    "name": "Fabien Potencier",
-                    "email": "fabien@symfony.com"
-                }
-            ],
-            "description": "Symfony Yaml Component",
-            "homepage": "http://symfony.com",
-            "time": "2015-01-03 15:33:07"
-        }
-    ],
-    "aliases": [],
-    "minimum-stability": "stable",
-    "stability-flags": [],
-    "prefer-stable": false,
-    "prefer-lowest": false,
-    "platform": [],
-    "platform-dev": []
-}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..77442c5
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.4/phpunit.xsd"
+	 bootstrap="vendor/autoload.php"
+         backupGlobals="false"
+         verbose="true">
+  <testsuites>
+    <testsuite name="unit">
+      <directory suffix="Test.php">tests</directory>
+    </testsuite>
+  </testsuites>
+  <filter>
+    <whitelist processUncoveredFilesFromWhitelist="true">
+      <directory suffix=".php">src</directory>
+    </whitelist>
+  </filter>
+
+  <php>
+    <ini name="date.timezone" value="UTC"/>
+    <ini name="error_reporting" value="-1"/>
+    <ini name="display_errors" value="1"/>
+  </php>
+</phpunit>
+
+<!--
+     vim: ts=2 sw=2 noet ft=xml:
+-->
diff --git a/src/Ngram/Tool/Input/Sanitize.php b/src/Ngram/Tool/Input/Sanitize.php
index 3621e35..1300f04 100644
--- a/src/Ngram/Tool/Input/Sanitize.php
+++ b/src/Ngram/Tool/Input/Sanitize.php
@@ -11,7 +11,7 @@ class Sanitize
     ];
     public static function get($input,array $preset=null)
     {
-        $regex = SELF::$regex[$preset['by']];
+        $regex = self::$regex[$preset['by']];
         foreach ($regex as $expr){
             if (isset($preset['normalize']))
                 $input = $preset['normalize']($input,'UTF-8');
diff --git a/tests/phpunit.xml b/tests/phpunit.xml
deleted file mode 100644
index 1b14583..0000000
--- a/tests/phpunit.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<phpunit bootstrap="./Bootstrap.php">
-  <testsuites>
-    <testsuite name="Flowy App">
-      <directory>tests</directory>
-    </testsuite>
-  </testsuites>
-</phpunit>
\ No newline at end of file