diff --git a/README.md b/README.md
index fae3843..051fa24 100644
--- a/README.md
+++ b/README.md
@@ -108,7 +108,7 @@ promptly reviewed and evaluated on its suitability to be merged into the main br
 
 ### v1.1.0
 
-* Allows new datacenters to be created in any datacenter in a selected location. See [pull request 16]().
+* Allows new servers to be created in any datacenter in a selected location. See [pull request 16]().
 
 ### v1.0.4
 
@@ -209,14 +209,23 @@ Constants that represent the server types available to users.
 * `SERVER_TYPE_8CPU_32GB` - The largest type with 8 CPU cores, 32GB of RAM and a 240GB SSD disk.
 * `SERVER_TYPE_8CPU_32GB_CEPH` - The same as above but with a 240GB CEPH network-attached disk.
 
+
+* `SERVER_TYPE_2CPU_8GB_DVCPU` - 2 dedicated CPU cores, 8GB of RAM and 80GB SSD disk.
+* `SERVER_TYPE_4CPU_16GB_DVCPU` - 4 dedicated CPU cores, 16GB of RAM and 160GB SSD disk.
+* `SERVER_TYPE_8CPU_32GB_DVCPU` - 8 dedicated CPU cores, 32GB of RAM and 240GB SSD disk.
+* `SERVER_TYPE_16CPU_64GB_DVCPU` - 16 dedicated CPU cores, 64GB of RAM and 360GB SSD disk.
+* `SERVER_TYPE_32CPU_128GB_DVCPU` - 32 dedicated CPU cores, 128GB of RAM and 540GB SSD disk.
+
 ##### Image types
 
 Constants that represent the standard images available to users.
 
 * `IMAGE_UBUNTU_1604` - Ubuntu 16.04 LTS
+* `IMAGE_UBUNTU_1804` - Ubuntu 18.04 LTS
 * `IMAGE_DEBIAN_9` - Debian 9.3
-* `IMAGE_CENTOS_7` - CentOS 7.4
+* `IMAGE_CENTOS_7` - CentOS 7.5
 * `IMAGE_FEDORA_27` - Fedora 27
+* `IMAGE_FEDORA_28` - Fedora 28
 
 ##### Datacentre constants
 
@@ -575,15 +584,20 @@ To create a server, you can call the `create` top level action method. This meth
 are optional, some aren't).
 
 ```python
-server_a, create_action = client.servers().create(name="My required server name", # REQUIRED
+server_a, create_action = client.servers().create(name="my-required-server-name", # REQUIRED
     server_type=SERVER_TYPE_1CPU_2GB, # REQUIRED
     image=IMAGE_UBUNTU_1604, # REQUIRED
     datacenter=DATACENTER_FALKENSTEIN_1,
     start_after_create=True,
     ssh_keys=["my-ssh-key-1", "my-ssh-key-2"],
-    user_data="rm -rf a-file")
+    user_data='''#cloud-config
+	packages:
+	 - screen
+	 - git
+    ''')
 server_a.wait_until_status_is(SERVER_STATUS_RUNNING) 
 ```
+For more details on user_data please see https://cloudinit.readthedocs.io/en/latest/topics/examples.html
 
 #### Server modifier actions
 
diff --git a/hetznercloud/constants.py b/hetznercloud/constants.py
index a17a71d..07bba67 100644
--- a/hetznercloud/constants.py
+++ b/hetznercloud/constants.py
@@ -27,6 +27,12 @@
 SERVER_TYPE_8CPU_32GB = "cx51"
 SERVER_TYPE_8CPU_32GB_CEPH = "cx51-ceph"
 
+SERVER_TYPE_2CPU_8GB_DVCPU = "ccx11"
+SERVER_TYPE_4CPU_16GB_DVCPU = "ccx21"
+SERVER_TYPE_8CPU_32GB_DVCPU = "ccx31"
+SERVER_TYPE_16CPU_64GB_DVCPU = "ccx41"
+SERVER_TYPE_32CPU_128GB_DVCPU = "ccx51"
+
 IMAGE_UBUNTU_1604 = "ubuntu-16.04"
 IMAGE_UBUNTU_1804 = "ubuntu-18.04"
 IMAGE_DEBIAN_9 = "debian-9"
diff --git a/hetznercloud/floating_ips.py b/hetznercloud/floating_ips.py
index 9824b99..b6e86c9 100644
--- a/hetznercloud/floating_ips.py
+++ b/hetznercloud/floating_ips.py
@@ -45,6 +45,7 @@ class HetznerCloudFloatingIp(object):
     def __init__(self, config):
         self._config = config
         self.id = 0
+        self.ip = ""
         self.description = ""
         self.type = ""
         self.server = 0
@@ -108,6 +109,7 @@ def _load_from_json(config, json):
 
         float_ip.id = int(json["id"])
         float_ip.description = json["description"]
+        float_ip.ip = json["ip"]
         float_ip.type = json["type"]
         float_ip.server = int(json["server"]) if json["server"] is not None else 0
         float_ip.ptr_ips = [entry["ip"] for entry in json["dns_ptr"]]
diff --git a/hetznercloud/ssh_keys.py b/hetznercloud/ssh_keys.py
index 9c6a575..c3148ff 100644
--- a/hetznercloud/ssh_keys.py
+++ b/hetznercloud/ssh_keys.py
@@ -46,7 +46,7 @@ def __init__(self, config):
 
     def delete(self):
         status_code, result = _get_results(self._config, "ssh_keys/%s" % self.id, method="DELETE")
-        if status_code != 201:
+        if status_code != 204:
             raise HetznerActionException(result)
 
     def update(self, name):
@@ -69,4 +69,4 @@ def _load_from_json(config, json):
         ssh_key.fingerprint = json["fingerprint"]
         ssh_key.public_key = json["public_key"]
 
-        return ssh_key
\ No newline at end of file
+        return ssh_key