Added an console command for updating currency exchange rates.

symfony.lock

@@ -1,4 +1,7 @@
 {
+    "clue/stream-filter": {
+        "version": "v1.4.1"
+    },
     "doctrine/annotations": {
         "version": "1.0",
         "recipe": {
@@ -96,6 +99,12 @@
     "fig/link-util": {
         "version": "1.0.0"
     },
+    "florianv/exchanger": {
+        "version": "1.4.1"
+    },
+    "florianv/swap": {
+        "version": "3.5.0"
+    },
     "friendsofsymfony/ckeditor-bundle": {
         "version": "2.0",
         "recipe": {
@@ -111,6 +120,15 @@
     "gerardojbaez/money": {
         "version": "v0.3.1"
     },
+    "guzzlehttp/guzzle": {
+        "version": "6.3.3"
+    },
+    "guzzlehttp/promises": {
+        "version": "v1.3.1"
+    },
+    "guzzlehttp/psr7": {
+        "version": "1.6.1"
+    },
     "jdorn/sql-formatter": {
         "version": "v1.2.17"
     },
@@ -126,6 +144,18 @@
     "nyholm/nsa": {
         "version": "1.1.0"
     },
+    "nyholm/psr7": {
+        "version": "1.0",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.0",
+            "ref": "0cd4d2d0e7f646fda75f9944f747a56e6ed13d4c"
+        },
+        "files": [
+            "./config/packages/nyholm_psr7.yaml"
+        ]
+    },
     "ocramius/proxy-manager": {
         "version": "2.1.1"
     },
@@ -141,6 +171,27 @@
             "./config/packages/datatables.yaml"
         ]
     },
+    "php-http/curl-client": {
+        "version": "2.0.0"
+    },
+    "php-http/discovery": {
+        "version": "1.7.0"
+    },
+    "php-http/guzzle6-adapter": {
+        "version": "v2.0.1"
+    },
+    "php-http/httplug": {
+        "version": "v2.0.0"
+    },
+    "php-http/message": {
+        "version": "1.8.0"
+    },
+    "php-http/message-factory": {
+        "version": "v1.0.2"
+    },
+    "php-http/promise": {
+        "version": "v1.0.0"
+    },
     "php-translation/common": {
         "version": "1.0.0"
     },
@@ -180,12 +231,27 @@
     "psr/container": {
         "version": "1.0.0"
     },
+    "psr/http-client": {
+        "version": "1.0.0"
+    },
+    "psr/http-factory": {
+        "version": "1.0.1"
+    },
+    "psr/http-message": {
+        "version": "1.0.1"
+    },
     "psr/link": {
         "version": "1.0.0"
     },
     "psr/log": {
         "version": "1.1.0"
     },
+    "psr/simple-cache": {
+        "version": "1.0.1"
+    },
+    "ralouphie/getallheaders": {
+        "version": "3.0.3"
+    },
     "roave/security-advisories": {
         "version": "dev-master"
     },