diff --git a/lib/vmfloaty/utils.rb b/lib/vmfloaty/utils.rb
index a145003..ef20802 100644
--- a/lib/vmfloaty/utils.rb
+++ b/lib/vmfloaty/utils.rb
@@ -127,7 +127,7 @@ class Utils
             pending = pool['pending']
             missing = max - ready - pending
             char = 'o'
-            puts "#{name.ljust(width)} #{(char*ready).green}#{(char*pending).yellow}#{(char*missing).red}"
+            puts "#{name.ljust(width)} #{(char * ready).green}#{(char * pending).yellow}#{(char * missing).red}"
           rescue StandardError => e
             puts "#{name.ljust(width)} #{e.red}"
           end
@@ -146,7 +146,7 @@ class Utils
             pending = pool['pending'] || 0 # not available for nspooler
             missing = max - ready - pending
             char = 'o'
-            puts "#{name.ljust(width)} #{(char*ready).green}#{(char*pending).yellow}#{(char*missing).red}"
+            puts "#{name.ljust(width)} #{(char * ready).green}#{(char * pending).yellow}#{(char * missing).red}"
           rescue StandardError => e
             puts "#{name.ljust(width)} #{e.red}"
           end
diff --git a/spec/vmfloaty/auth_spec.rb b/spec/vmfloaty/auth_spec.rb
index 0869a33..dc7f66d 100644
--- a/spec/vmfloaty/auth_spec.rb
+++ b/spec/vmfloaty/auth_spec.rb
@@ -16,7 +16,7 @@ describe Pooler do
 
     it 'returns a token from vmpooler' do
       stub_request(:post, 'https://first.last:password@vmpooler.example.com/token').
-                 with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2'}).
+                 with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2'}).
                  to_return(:status => 200, :body => @get_token_response, :headers => {})
 
       token = Auth.get_token(false, @vmpooler_url, 'first.last', 'password')
@@ -25,7 +25,7 @@ describe Pooler do
 
     it 'raises a token error if something goes wrong' do
       stub_request(:post, 'https://first.last:password@vmpooler.example.com/token').
-                 with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2'}).
+                 with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2'}).
                  to_return(:status => 500, :body => '{"ok":false}', :headers => {})
 
       expect{ Auth.get_token(false, @vmpooler_url, 'first.last', 'password') }.to raise_error(TokenError)
@@ -40,7 +40,7 @@ describe Pooler do
 
     it 'deletes the specified token' do
       stub_request(:delete, 'https://first.last:password@vmpooler.example.com/token/utpg2i2xswor6h8ttjhu3d47z53yy47y').
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 200, :body => @delete_token_response, :headers => {})
 
       expect(Auth.delete_token(false, @vmpooler_url, 'first.last', 'password', @token)).to eq JSON.parse(@delete_token_response)
@@ -48,7 +48,7 @@ describe Pooler do
 
     it 'raises a token error if something goes wrong' do
       stub_request(:delete, 'https://first.last:password@vmpooler.example.com/token/utpg2i2xswor6h8ttjhu3d47z53yy47y').
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 500, :body => '{"ok":false}', :headers => {})
 
       expect{ Auth.delete_token(false, @vmpooler_url, 'first.last', 'password', @token) }.to raise_error(TokenError)
@@ -67,7 +67,7 @@ describe Pooler do
 
     it 'checks the status of a token' do
       stub_request(:get, "#{@vmpooler_url}/token/utpg2i2xswor6h8ttjhu3d47z53yy47y").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 200, :body => @token_status_response, :headers => {})
 
       expect(Auth.token_status(false, @vmpooler_url, @token)).to eq JSON.parse(@token_status_response)
@@ -75,7 +75,7 @@ describe Pooler do
 
     it 'raises a token error if something goes wrong' do
       stub_request(:get, "#{@vmpooler_url}/token/utpg2i2xswor6h8ttjhu3d47z53yy47y").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 500, :body => '{"ok":false}', :headers => {})
 
       expect{ Auth.token_status(false, @vmpooler_url, @token) }.to raise_error(TokenError)
diff --git a/spec/vmfloaty/nonstandard_pooler_spec.rb b/spec/vmfloaty/nonstandard_pooler_spec.rb
index 3185da1..70507e3 100644
--- a/spec/vmfloaty/nonstandard_pooler_spec.rb
+++ b/spec/vmfloaty/nonstandard_pooler_spec.rb
@@ -175,8 +175,8 @@ BODY
 
     it 'raises an error if the user tries to modify an unsupported attribute' do
       stub_request(:put, 'https://nspooler.example.com/host/myfakehost').
-          with(:body => {'{}'=>true},
-               :headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Type'=>'application/x-www-form-urlencoded', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'token-value'}).
+          with(:body => {'{}' => true},
+               :headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Type' => 'application/x-www-form-urlencoded', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'token-value'}).
           to_return(:status => 200, :body => '', :headers => {})
       details = { :lifetime => 12 }
       expect { NonstandardPooler.modify(false, @nspooler_url, 'myfakehost', 'token-value', details) }
diff --git a/spec/vmfloaty/pooler_spec.rb b/spec/vmfloaty/pooler_spec.rb
index 1f6e8fb..c5bdf0d 100644
--- a/spec/vmfloaty/pooler_spec.rb
+++ b/spec/vmfloaty/pooler_spec.rb
@@ -48,7 +48,7 @@ describe Pooler do
 
     it 'raises an AuthError if the token is invalid' do
       stub_request(:post, "#{@vmpooler_url}/vm/debian-7-i386").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 401, :body => '{"ok":false}', :headers => {})
 
       vm_hash = {}
@@ -58,7 +58,7 @@ describe Pooler do
 
     it 'retrieves a single vm with a token' do
       stub_request(:post, "#{@vmpooler_url}/vm/debian-7-i386").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @retrieve_response_body_single, :headers => {})
 
       vm_hash = {}
@@ -71,7 +71,7 @@ describe Pooler do
 
     it 'retrieves a multiple vms with a token' do
       stub_request(:post, "#{@vmpooler_url}/vm/debian-7-i386+debian-7-i386+centos-7-x86_64").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @retrieve_response_body_double, :headers => {})
 
       vm_hash = {}
@@ -99,8 +99,8 @@ describe Pooler do
     it 'modifies the TTL of a vm' do
       modify_hash = { :lifetime => 12 }
       stub_request(:put, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6").
-        with(:body => {'{"lifetime":12}'=>true},
-             :headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Type'=>'application/x-www-form-urlencoded', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:body => {'{"lifetime":12}' => true},
+             :headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Type' => 'application/x-www-form-urlencoded', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @modify_response_body_success, :headers => {})
 
       modify_req = Pooler.modify(false, @vmpooler_url, 'fq6qlpjlsskycq6', 'mytokenfile', modify_hash)
@@ -111,12 +111,12 @@ describe Pooler do
   describe '#delete' do
     before :each do
       @delete_response_body_success = '{"ok":true}'
-      @delete_response = {'fq6qlpjlsskycq6'=>{'ok'=>true}}
+      @delete_response = {'fq6qlpjlsskycq6' => {'ok' => true}}
     end
 
     it 'deletes a specified vm' do
       stub_request(:delete, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @delete_response_body_success, :headers => {})
 
       expect(Pooler.delete(false, @vmpooler_url, ['fq6qlpjlsskycq6'], 'mytokenfile')).to eq @delete_response
@@ -135,7 +135,7 @@ describe Pooler do
 
     it 'prints the status' do
       stub_request(:get, "#{@vmpooler_url}/status").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 200, :body => @status_response_body, :headers => {})
 
       status = Pooler.status(false, @vmpooler_url)
@@ -159,7 +159,7 @@ describe Pooler do
 
     it 'makes a query about a vm' do
       stub_request(:get, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent'=>'Faraday v0.9.2'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'User-Agent' => 'Faraday v0.9.2'}).
         to_return(:status => 200, :body => @query_response_body, :headers => {})
 
       query_req = Pooler.query(false, @vmpooler_url, 'fq6qlpjlsskycq6')
@@ -174,7 +174,7 @@ describe Pooler do
 
     it 'makes a snapshot for a single vm' do
       stub_request(:post, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6/snapshot").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @snapshot_response_body, :headers => {})
 
       snapshot_req = Pooler.snapshot(false, @vmpooler_url, 'fq6qlpjlsskycq6', 'mytokenfile')
@@ -189,7 +189,7 @@ describe Pooler do
 
     it 'makes a request to revert a vm from a snapshot' do
       stub_request(:post, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6/snapshot/dAfewKNfaweLKNve").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).
         to_return(:status => 200, :body => @revert_response_body, :headers => {})
 
       revert_req = Pooler.revert(false, @vmpooler_url, 'fq6qlpjlsskycq6', 'mytokenfile', 'dAfewKNfaweLKNve')
@@ -213,7 +213,7 @@ describe Pooler do
 
     it 'makes a request to extend disk space of a vm' do
       stub_request(:post, "#{@vmpooler_url}/vm/fq6qlpjlsskycq6/disk/12").
-        with(:headers => {'Accept'=>'*/*', 'Accept-Encoding'=>'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length'=>'0', 'User-Agent'=>'Faraday v0.9.2', 'X-Auth-Token'=>'mytokenfile'}).  to_return(:status => 200, :body => @disk_response_body_success, :headers => {})
+        with(:headers => {'Accept' => '*/*', 'Accept-Encoding' => 'gzip;q=1.0,deflate;q=0.6,identity;q=0.3', 'Content-Length' => '0', 'User-Agent' => 'Faraday v0.9.2', 'X-Auth-Token' => 'mytokenfile'}).  to_return(:status => 200, :body => @disk_response_body_success, :headers => {})
 
       disk_req = Pooler.disk(false, @vmpooler_url, 'fq6qlpjlsskycq6', 'mytokenfile', 12)
       expect(disk_req['ok']).to be true
diff --git a/spec/vmfloaty/utils_spec.rb b/spec/vmfloaty/utils_spec.rb
index 9836b85..b9aca22 100644
--- a/spec/vmfloaty/utils_spec.rb
+++ b/spec/vmfloaty/utils_spec.rb
@@ -9,7 +9,7 @@ describe Utils do
 
   describe '#standardize_hostnames' do
     before :each do
-      @vmpooler_response_body ='{
+      @vmpooler_response_body = '{
          "ok": true,
          "domain": "delivery.mycompany.net",
          "ubuntu-1610-x86_64": {
@@ -141,7 +141,7 @@ describe Utils do
 
   describe '#generate_os_hash' do
     before :each do
-      @host_hash = {'centos'=>1, 'debian'=>5, 'windows'=>1}
+      @host_hash = {'centos' => 1, 'debian' => 5, 'windows' => 1}
     end
 
     it 'takes an array of os arguments and returns a formatted hash' do