diff --git a/src/LogExpert.sln b/src/LogExpert.sln
index 4560627e..d4494be0 100644
--- a/src/LogExpert.sln
+++ b/src/LogExpert.sln
@@ -65,6 +65,10 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LogExpert.UI", "LogExpert.U
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "LogExpert.PluginRegistry", "PluginRegistry\LogExpert.PluginRegistry.csproj", "{E2D8E653-B7DF-4ACE-8314-8059B1E20751}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Columnizers", "Columnizers", "{02EA681E-C7D8-13C7-8484-4AC65E1B71E8}"
+EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{848C24BA-BEBA-48EC-90E6-526ECAB6BB4A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -158,7 +162,17 @@ Global
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
+		{2563526E-4566-40CB-AA27-587B904FD25B} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{C41A517B-7502-4B17-9119-55D5716FAD65} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{43B3857D-4341-41A6-9E77-4F3BA4F2C7AB} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{4C899885-E361-410A-B6AC-C2F236C436FA} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{B5A7DFA4-48A8-4616-8008-7441699EC946} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{0DBBCBEF-4A91-4031-AEAB-B7EEE802F496} = {848C24BA-BEBA-48EC-90E6-526ECAB6BB4A}
+		{1FFB09A8-DAE4-4DEB-AFF6-8BAE6D01C7AC} = {848C24BA-BEBA-48EC-90E6-526ECAB6BB4A}
+		{003535EC-4186-4958-9DD9-C641F089AEED} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
+		{B57259A3-4ED7-4F8B-A252-29E799A56B9E} = {02EA681E-C7D8-13C7-8484-4AC65E1B71E8}
 		{C625E7C2-AF15-4C40-8C35-3E166D46F939} = {DE6375A4-B4C4-4620-8FFB-B9D5A4E21144}
+		{FBFB598D-B94A-4AD3-A355-0D5A618CEEE3} = {848C24BA-BEBA-48EC-90E6-526ECAB6BB4A}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {15924D5F-B90B-4BC7-9E7D-BCCB62EBABAD}