Added possibility to give opts via symbols instead of string as key for the opts hash

lib/docker/container.rb

@@ -132,7 +132,7 @@ def commit(options = {})
     # Based on the link, the config passed as run, needs to be passed as the
     # body of the post so capture it, remove from the options, and pass it via
     # the post body
-    config = options.delete('run')
+    config = options.delete('run') || options.delete(:run)
     hash = Docker::Util.parse_json(connection.post('/commit',
                                                    options,
                                                    :body => config.to_json))
@@ -163,7 +163,7 @@ def rename(new_name)
   end
 
   def streaming_logs(opts = {}, &block)
-    stack_size = opts.delete('stack_size') || -1
+    stack_size = opts.delete('stack_size') || opts.delete(:stack_size) || -1
     tty = opts.delete('tty') || opts.delete(:tty) || false
     msgs = Docker::MessagesStack.new(stack_size)
     excon_params = {response_block: Docker::Util.attach_for(block, msgs, tty)}
@@ -196,7 +196,7 @@ def kill!(opts = {})
   # but rescue from ServerErrors.
   [:stop, :restart].each do |method|
     define_method(:"#{method}!") do |opts = {}|
-      timeout = opts.delete('timeout')
+      timeout = opts.delete('timeout') || opts.delete(:timeout)
       query = {}
       query['t'] = timeout if timeout
       connection.post(path_for(method), query, :body => opts.to_json)
@@ -271,7 +271,7 @@ def archive_in_stream(output_path, opts = {}, &block)
 
   # Create a new Container.
   def self.create(opts = {}, conn = Docker.connection)
-    name = opts.delete('name')
+    name =  opts.delete('name') || opts.delete(:name)
     query = {}
     query['name'] = name if name
     resp = conn.post('/containers/create', query, :body => opts.to_json)

lib/docker/image.rb

@@ -49,8 +49,8 @@ def tag(opts = {})
   # Given a path of a local file and the path it should be inserted, creates
   # a new Image that has that file.
   def insert_local(opts = {})
-    local_paths = opts.delete('localPath')
-    output_path = opts.delete('outputPath')
+    local_paths = opts.delete('localPath') || opts.delete(:localPath)
+    output_path = opts.delete('outputPath') || opts.delete(:outputPath)
 
     local_paths = [ local_paths ] unless local_paths.is_a?(Array)