Added conversations.list endpoint functionality and cursor request parameter functionality in base response class.

SlackAPI.sln

@@ -1,20 +1,20 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio 15
-VisualStudioVersion = 15.0.26228.4
+# Visual Studio Version 16
+VisualStudioVersion = 16.0.30320.27
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SlackAPI", "SlackAPI\SlackAPI.csproj", "{7EED3D9B-9B7A-49A4-AFBF-599153A47DDA}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SlackAPI.Tests", "SlackAPI.Tests\SlackAPI.Tests.csproj", "{DEFA9559-0F8F-4C38-9644-67A080EDC46D}"
 EndProject
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution items", "Solution items", "{532C9828-A2CC-4281-950A-248B06D42E9C}"
-ProjectSection(SolutionItems) = preProject
-	appveyor.yml = appveyor.yml
-	build.cake = build.cake
-	Directory.Build.props = Directory.Build.props
-	GlobalAssemblyInfo.cs = GlobalAssemblyInfo.cs
-	README.md = README.md
-EndProjectSection
+	ProjectSection(SolutionItems) = preProject
+		appveyor.yml = appveyor.yml
+		build.cake = build.cake
+		Directory.Build.props = Directory.Build.props
+		GlobalAssemblyInfo.cs = GlobalAssemblyInfo.cs
+		README.md = README.md
+	EndProjectSection
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution

SlackAPI/RPCMessages/ConversationsListResponse.cs

@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace SlackAPI.RPCMessages
+{
+	[RequestPath("conversations.list")]
+	public class ConversationsListResponse : Response
+	{
+		public Channel[] channels;
+	}
+}

SlackAPI/Response.cs

@@ -25,5 +25,12 @@ public void AssertOk()
             if (!(ok))
                 throw new InvalidOperationException(string.Format("An error occurred: {0}", this.error));
         }
+
+        public ResponseMetaData response_metadata;
+    }
+
+    public class ResponseMetaData
+    {
+	    public string next_cursor;
     }
 }

SlackAPI/SlackClient.cs

@@ -147,6 +147,22 @@ public void ChannelsInvite(Action<ChannelInviteResponse> callback, string userId
             APIRequestWithToken(callback, parameters.ToArray());
         }
 
+        public void GetConversationsList(Action<ConversationsListResponse> callback, string cursor = "", bool ExcludeArchived = true, int limit = 100, string[] types = null)
+        {
+	        List<Tuple<string, string>> parameters = new List<Tuple<string, string>>()
+	        {
+		        Tuple.Create("exclude_archived", ExcludeArchived ? "1" : "0")
+	        };
+	        if (limit > 0)
+		        parameters.Add(Tuple.Create("limit", limit.ToString())); 
+	        if (types.Any())
+		        parameters.Add(Tuple.Create("types", string.Join(",", types)));
+	        if (!string.IsNullOrEmpty(cursor))
+		        parameters.Add(Tuple.Create("cursor", cursor));
+
+            APIRequestWithToken(callback, parameters.ToArray());
+        }
+
         public void GetChannelList(Action<ChannelListResponse> callback, bool ExcludeArchived = true)
         {
             APIRequestWithToken(callback, new Tuple<string, string>("exclude_archived", ExcludeArchived ? "1" : "0"));

SlackAPI/SlackTaskClient.cs

@@ -127,6 +127,22 @@ public Task<ChannelInviteResponse> ChannelsInviteAsync(string userId, string cha
             return APIRequestWithTokenAsync<ChannelInviteResponse>(parameters.ToArray());
         }
 
+        public Task<ConversationsListResponse> GetConversationsListAsync(string cursor = "", bool ExcludeArchived = true, int limit = 100, string[] types = null)
+        {
+	        List<Tuple<string, string>> parameters = new List<Tuple<string, string>>()
+	        {
+		        Tuple.Create("exclude_archived", ExcludeArchived ? "1" : "0")
+	        };
+	        if (limit > 0)
+		        parameters.Add(Tuple.Create("limit", limit.ToString()));
+	        if (types != null && types.Any())
+		        parameters.Add(Tuple.Create("types", string.Join(",", types)));
+	        if (!string.IsNullOrEmpty(cursor))
+		        parameters.Add(new Tuple<string, string>("cursor", cursor));
+
+	        return APIRequestWithTokenAsync<ConversationsListResponse>(parameters.ToArray());
+        }
+
         public Task<ChannelListResponse> GetChannelListAsync(bool ExcludeArchived = true)
         {
             return APIRequestWithTokenAsync<ChannelListResponse>(new Tuple<string, string>("exclude_archived", ExcludeArchived ? "1" : "0"));