Pulled out Couchdb dependency to our own one

Author: Geolim4

composer.json

@@ -23,22 +23,26 @@
         "php": "^5.6 || ^7.0",
         "psr/cache": "~1.0.0",
         "psr/simple-cache": "~1.0.0",
-        "phpfastcache/phpssdb": "~1.0.0",
-        "mongodb/mongodb": "^1.1",
         "ext-mbstring": "*",
         "ext-json": "*"
-
     },
     "suggest": {
         "ext-apc": "*",
         "ext-intl": "*",
         "ext-memcached": "*",
         "ext-memcache": "*",
         "ext-redis": "*",
-        "ext-predis": "*",
+        "ext-xcache": "*",
         "ext-sqlite": "*",
+        "ext-wincache": "*",
+        "ext-leveldb": "*",
         "predis/predis": "~1.1.0",
-        "doctrine/couchdb": "@dev"
+        "mongodb/mongodb": "^1.1",
+        "phpfastcache/phpssdb": "~1.0.0",
+        "phpfastcache/couchdb": "~1.0.0"
+    },
+    "conflict": {
+        "doctrine/couchdb": "*"
     },
     "autoload": {
         "psr-4": {

src/phpFastCache/Drivers/Couchdb/Driver.php

@@ -194,16 +194,16 @@ protected function getLatestDocumentRevision($docId)
         $path = '/' . $this->getDatabaseName() . '/' . urlencode($docId);
 
         $response = $this->instance->getHttpClient()->request(
-          'GET',// At this moment HEAD requests are not working: https://github.com/doctrine/couchdb-client/issues/72
+          'HEAD',
           $path,
           null,
           false
         );
         if(!empty($response->headers['etag'])){
             return trim($response->headers['etag'], " '\"\t\n\r\0\x0B");
-        }else{
-            return null;
         }
+
+        return null;
     }
 
     /**