Added sudo functionality

-Param can add sudo, allows sudo in header
-Updated some calls to allow optional hash this allows for sudo to be used in various calls. This is not strictly necessary but reads better

lib/gitlab/client/projects.rb

@@ -85,9 +85,11 @@ def team_member(project, id)
     # @param  [Integer, String] project The ID or code name of a project.
     # @param  [Integer] id The ID of a user.
     # @param  [Integer] access_level The access level to project.
+    # @option options [Integer/String] :sudo The user id/username to preform the request as (admin only)
     # @return [Array<Gitlab::ObjectifiedHash>] Information about added team member.
-    def add_team_member(project, id, access_level)
-      post("/projects/#{project}/members", :body => {:user_id => id, :access_level => access_level})
+    def add_team_member(project, id, access_level, options = {})
+      body ={:user_id => id, :access_level => access_level}.merge(options)
+      post("/projects/#{project}/members", :body => body)
     end
 
     # Updates a team member's project access level.
@@ -98,9 +100,11 @@ def add_team_member(project, id, access_level)
     # @param  [Integer, String] project The ID or code name of a project.
     # @param  [Integer] id The ID of a user.
     # @param  [Integer] access_level The access level to project.
+    # @option options [Integer/String] :sudo The user id/username to preform the request as (admin only)
     # @return [Array<Gitlab::ObjectifiedHash>] Information about updated team member.
-    def edit_team_member(project, id, access_level)
-      put("/projects/#{project}/members/#{id}", :body => {:access_level => access_level})
+    def edit_team_member(project, id, access_level, options = {})
+      body = {:access_level => access_level}.merge(options)
+      put("/projects/#{project}/members/#{id}", :body => body)
     end
 
     # Removes a user from project team.
@@ -110,9 +114,10 @@ def edit_team_member(project, id, access_level)
     #
     # @param  [Integer, String] project The ID or code name of a project.
     # @param  [Integer] id The ID of a user.
+    # @option options [Integer/String] :sudo The user id/username to preform the request as (admin only)
     # @return [Array<Gitlab::ObjectifiedHash>] Information about removed team member.
-    def remove_team_member(project, id)
-      delete("/projects/#{project}/members/#{id}")
+    def remove_team_member(project, id, options= {})
+      delete("/projects/#{project}/members/#{id}", :body => options)
     end
 
     # Gets a list of project hooks.

lib/gitlab/configuration.rb

@@ -2,7 +2,7 @@ module Gitlab
   # Defines constants and methods related to configuration.
   module Configuration
     # An array of valid keys in the options hash when configuring a Gitlab::API.
-    VALID_OPTIONS_KEYS = [:endpoint, :private_token, :user_agent].freeze
+    VALID_OPTIONS_KEYS = [:endpoint, :private_token, :user_agent, :sudo].freeze
 
     # The user agent that will be sent to the API endpoint if none is set.
     DEFAULT_USER_AGENT = "Gitlab Ruby Gem #{Gitlab::VERSION}".freeze
@@ -32,6 +32,7 @@ def options
     def reset
       self.endpoint       = nil
       self.private_token  = nil
+      self.sudo           = nil
       self.user_agent     = DEFAULT_USER_AGENT
     end
   end

lib/gitlab/request.rb

@@ -46,8 +46,8 @@ def put(path, options={})
       validate self.class.put(path, options)
     end
 
-    def delete(path)
-      validate self.class.delete(path)
+    def delete(path, options={})
+      validate self.class.delete(path, options={})
     end
 
     # Checks the response code for common errors.

spec/gitlab/client/projects_spec.rb

@@ -103,7 +103,7 @@
 
     it "should get the correct resource" do
       a_post("/projects/3/members").
-        with(:body => {:user_id => '1', :access_level => '40'}).should have_been_made
+          with(:body => {:user_id => '1', :access_level => '40'}).should have_been_made
     end
 
     it "should return information about an added team member" do
@@ -119,7 +119,7 @@
 
     it "should get the correct resource" do
       a_put("/projects/3/members/1").
-        with(:body => {:access_level => '40'}).should have_been_made
+          with(:body => {:access_level => '40'}).should have_been_made
     end
 
     it "should return information about an edited team member" do
@@ -128,18 +128,35 @@
   end
 
   describe ".remove_team_member" do
-    before do
-      stub_delete("/projects/3/members/1", "team_member")
-      @team_member = Gitlab.remove_team_member(3, 1)
-    end
+    context 'as a user' do
+      before do
+        stub_delete("/projects/3/members/1", "team_member")
+        @team_member = Gitlab.remove_team_member(3, 1)
+      end
 
-    it "should get the correct resource" do
-      a_delete("/projects/3/members/1").should have_been_made
+      it "should get the correct resource" do
+        a_delete("/projects/3/members/1").should have_been_made
+      end
+
+      it "should return information about a removed team member" do
+        @team_member.name.should == "John Smith"
+      end
     end
+    context 'as sudo-ing to a user' do
+      before do
+        stub_delete("/projects/3/members/1", "team_member")
+        @team_member = Gitlab.remove_team_member(3, 1, :sudo => 1)
+      end
 
-    it "should return information about a removed team member" do
-      @team_member.name.should == "John Smith"
+      it "should get the correct resource" do
+        a_delete("/projects/3/members/1").should have_been_made
+      end
+
+      it "should return information about a removed team member" do
+        @team_member.name.should == "John Smith"
+      end
     end
+
   end
 
   describe ".project_hooks" do