Separate out requests code.

Changelog excerpt:
- Separated the code for performing outbound requests through cURL out to
  its own independent class.

Author: Maikuolan

Changelog.md

@@ -23,3 +23,7 @@ __*Why "v3.0.0" instead of "v1.0.0?"*__ Prior to phpMussel v3, the "phpMussel Co
 [2020.11.27; Maikuolan]: Some minor code-style cleanup.
 
 [2020.12.04; Maikuolan]: Maintenance release (dependencies update, repository cleanup, etc).
+
+### v3.1.1
+
+[2021.01.10; Maikuolan]: Separated the code for performing outbound requests through cURL out to its own independent class.

README.md

@@ -88,17 +88,17 @@ __*Screenshot:*__
 
 ### Current major version development status:
 
-⬇Stage reached⬇ ➡Major version➡ | v0 | v1 | v2 | v3
-:--|:-:|:-:|:-:|:-:
-Pre-Alpha<em><br />- Exploring early concepts/ideas. No code written/available yet.</em> | ✔ | ✔ | ✔ | ✔
-Alpha<em><br />- Branched, but unstable. Not production-ready (high risk if used).</em> | ✔ | ✔ | ✔ | ✔
-Beta<em><br />- Branched, but unstable. Not production-ready (low risk if used).</em> | ✔ | ✔ | ✔ | ✔
-Stable<em><br />- First production-ready version has been tagged/released.</em> | ✔ | ✔ | ✔ | ✔
+⬇Stage reached⬇ ➡Major version➡ | v0 | v1 | v2~v3
+:--|:-:|:-:|:-:
+Pre-Alpha<em><br />- Exploring early concepts/ideas. No code written/available yet.</em> | ✔ | ✔ | ✔
+Alpha<em><br />- Branched, but unstable. Not production-ready (high risk if used).</em> | ✔ | ✔ | ✔
+Beta<em><br />- Branched, but unstable. Not production-ready (low risk if used).</em> | ✔ | ✔ | ✔
+Stable<em><br />- First production-ready version has been tagged/released.</em> | ✔ | ✔ | ✔
 Mature<em><br />- Multiple stable versions/releases exist.</em> | ✔ | ✔ | ✔
 Locked<em><br />- Still maintained, but new features won't be implemented anymore.</em> | ✔ | ✔
 EoL/Dead<em><br />- Not maintained anymore. If possible, stop using, and update ASAP.</em> | ✔
 
 ---
 
 
-Last Updated: 16 October 2020 (2020.10.16).
+Last Updated: 12 December 2020 (2020.12.12).

src/FrontEnd.php

@@ -8,7 +8,7 @@
  * License: GNU/GPLv2
  * @see LICENSE.txt
  *
- * This file: Front-end handler (last modified: 2020.12.03).
+ * This file: Front-end handler (last modified: 2021.01.10).
  */
 
 namespace phpMussel\FrontEnd;
@@ -691,7 +691,7 @@ public function view(string $Page = '')
 
             /** Fetch remote phpMussel version information and cache it if necessary. */
             if (!($RemoteYAMLphpMussel = $this->Loader->Cache->getEntry('phpmussel-ver.yaml'))) {
-                $RemoteYAMLphpMussel = $this->Loader->request($RemoteVerPath . 'phpmussel-ver.yaml', [], 8);
+                $RemoteYAMLphpMussel = $this->Loader->Request->request($RemoteVerPath . 'phpmussel-ver.yaml', [], 8);
                 $this->Loader->Cache->setEntry('phpmussel-ver.yaml', $RemoteYAMLphpMussel ?: '-', 86400);
             }
 
@@ -731,7 +731,7 @@ public function view(string $Page = '')
 
             /** Fetch remote PHP version information and cache it if necessary. */
             if (!($RemoteYamlPHP = $this->Loader->Cache->getEntry('php-ver.yaml'))) {
-                $RemoteYamlPHP = $this->Loader->request($RemoteVerPath . 'php-ver.yaml', [], 8);
+                $RemoteYamlPHP = $this->Loader->Request->request($RemoteVerPath . 'php-ver.yaml', [], 8);
                 $this->Loader->Cache->setEntry('php-ver.yaml', $RemoteYamlPHP ?: '-', 86400);
             }
 
@@ -1245,7 +1245,7 @@ public function view(string $Page = '')
                                 $ThisDir['FieldOut'] .= sprintf(
                                     '<input type="checkbox" class="auto" name="%1$s" id="%1$s"%2$s /><label for="%1$s" class="s">%3$s</label><br />',
                                     $ThisDir['DirLangKey'] . '_' . $ChoiceKey,
-                                    $this->Loader->inCsv($ChoiceKey, $this->Loader->Configuration[$CatKey][$DirKey]) ? ' checked' : '',
+                                    $this->Loader->Request->inCsv($ChoiceKey, $this->Loader->Configuration[$CatKey][$DirKey]) ? ' checked' : '',
                                     $ChoiceValue
                                 );
                             } else {