Added time measurements (#35)

Closes #10 

* Added time measurements

* Added requested changes

* Added new time units

src/UnitConverter/Unit/Time/Day.php

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+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Day unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Day extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("day")
+
+            ->setSymbol("day")
+
+            ->setUnits(86400)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Hour.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Hour unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Hour extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("hour")
+
+            ->setSymbol("hr")
+
+            ->setUnits(3600)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Microsecond.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Microsecond unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Microsecond extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("microsecond")
+
+            ->setSymbol("μs")
+
+            ->setUnits(0.000001)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Millisecond.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Millisecond unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Millisecond extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("millisecond")
+
+            ->setSymbol("ms")
+
+            ->setUnits(0.001)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Minute.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Minute unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Minute extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("minute")
+
+            ->setSymbol("min")
+
+            ->setUnits(60)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Month.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Month unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Month extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("month")
+
+            ->setSymbol("month")
+
+            ->setUnits(2678400)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Nanosecond.php

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+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Nanosecond unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Nanosecond extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("nanosecond")
+
+            ->setSymbol("ns")
+
+            ->setUnits(0.000000001)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/Second.php

@@ -0,0 +1,36 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Second unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Second extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("second")
+
+            ->setSymbol("s")
+
+            ->setUnits(1)
+        ;
+    }
+}

src/UnitConverter/Unit/Time/TimeUnit.php

@@ -0,0 +1,34 @@
+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+use UnitConverter\Measure;
+use UnitConverter\Unit\AbstractUnit;
+
+/**
+ * Time base class, new time classes should be extending this class
+ * implenting their name, symbol and units
+ * Only override $unitOf and $base properties when necessary
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+abstract class TimeUnit extends AbstractUnit
+{
+    protected $unitOf = Measure::TIME;
+
+    protected $base = Second::class;
+}

src/UnitConverter/Unit/Time/Week.php

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+<?php
+
+/**
+ * This file is part of the jordanbrauer/unit-converter PHP package.
+ *
+ * @copyright 2017 Jordan Brauer <[email protected]>
+ * @license MIT
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+declare(strict_types = 1);
+
+namespace UnitConverter\Unit\Time;
+
+/**
+ * Week unit data class.
+ *
+ * @version 1.0.0
+ * @since 1.0.0
+ * @author Teun Willems
+ */
+class Week extends TimeUnit
+{
+    protected function configure () : void
+    {
+        $this
+            ->setName("week")
+
+            ->setSymbol("week")
+
+            ->setUnits(604800)
+        ;
+    }
+}