Fixed GUID output for switch WithModuleMetaData

Added help for new switches

Author: echalone

docs/Merge-MarkdownHelp.md

@@ -142,7 +142,7 @@ Accept wildcard characters: True
 ```
 
 ### -NoInputOutputFormatting
-{{ Fill NoInputOutputFormatting Description }}
+Will prevent Input/Output comments from being formatted. This might be needed because Microsoft gives us no way to actually set the values in Input/Output correct (type, description) in a PS function header, but will put everything written down there into the "type" property, so all text would be formatted bold in that case. For the Input/Output texts in a PS function header to be written without bold formatting (as is) this switch needs to be provided.
 
 ```yaml
 Type: SwitchParameter

docs/New-MarkdownHelp.md

@@ -495,7 +495,7 @@ Accept wildcard characters: False
 ```
 
 ### -CreateTableOfContent
-{{ Fill CreateTableOfContent Description }}
+Will create an additional table of content in the single- or module-landing-page.
 
 ```yaml
 Type: SwitchParameter
@@ -510,7 +510,7 @@ Accept wildcard characters: False
 ```
 
 ### -NoInputOutputFormatting
-{{ Fill NoInputOutputFormatting Description }}
+Will prevent Input/Output comments from being formatted. This might be needed because Microsoft gives us no way to actually set the values in Input/Output correct (type, description) in a PS function header, but will put everything written down there into the "type" property, so all text would be formatted bold in that case. For the Input/Output texts in a PS function header to be written without bold formatting (as is) this switch needs to be provided.
 
 ```yaml
 Type: SwitchParameter
@@ -525,7 +525,7 @@ Accept wildcard characters: False
 ```
 
 ### -SinglePage
-{{ Fill SinglePage Description }}
+Will create a single markdown file with the description of the module and each cmdlet/function, instead of writing a new markdown file for each cmdlet/function.
 
 ```yaml
 Type: SwitchParameter
@@ -540,7 +540,7 @@ Accept wildcard characters: False
 ```
 
 ### -SkipEmptyFields
-{{ Fill SkipEmptyFields Description }}
+Will omit example texts for empty fields which were not provided/found in the documentation and will instead just skip empty sections (example: no "Notes" section if no "Notes" were provided).
 
 ```yaml
 Type: SwitchParameter
@@ -555,7 +555,7 @@ Accept wildcard characters: False
 ```
 
 ### -WithModuleMetaData
-{{ Fill WithModuleMetaData Description }}
+Will add a section "Module Metadata" filled with the following data (as far as that data exists): Module version, Module GUID, Author, Company, Copyright, Tags, License Uri, Project Uri.
 
 ```yaml
 Type: SwitchParameter

docs/Update-MarkdownHelp.md

@@ -233,7 +233,7 @@ Accept wildcard characters: False
 ```
 
 ### -NoInputOutputFormatting
-{{ Fill NoInputOutputFormatting Description }}
+Will prevent Input/Output comments from being formatted. This might be needed because Microsoft gives us no way to actually set the values in Input/Output correct (type, description) in a PS function header, but will put everything written down there into the "type" property, so all text would be formatted bold in that case. For the Input/Output texts in a PS function header to be written without bold formatting (as is) this switch needs to be provided.
 
 ```yaml
 Type: SwitchParameter
@@ -248,7 +248,7 @@ Accept wildcard characters: False
 ```
 
 ### -SkipEmptyFields
-{{ Fill SkipEmptyFields Description }}
+Will omit example texts for empty fields which were not provided/found in the documentation and will instead just skip empty sections (example: no "Notes" section if no "Notes" were provided).
 
 ```yaml
 Type: SwitchParameter

docs/Update-MarkdownHelpModule.md

@@ -241,7 +241,7 @@ Accept wildcard characters: False
 ```
 
 ### -SkipEmptyFields
-{{ Fill SkipEmptyFields Description }}
+Will omit example texts for empty fields which were not provided/found in the documentation and will instead just skip empty sections (example: no "Notes" section if no "Notes" were provided).
 
 ```yaml
 Type: SwitchParameter

src/platyPS/platyPS.psm1

@@ -368,8 +368,9 @@ function New-MarkdownHelp
                             if($null -ne $ModuleMetaData) {
 
                                 $ModuleMetaData.ModuleVersion = $ModuleVersion
-                                if($null -ne $ModuleGuid -and ![string]::IsNullOrWhiteSpace($ModuleGuid.Guid)) {
-                                    $ModuleMetaData.GUID = $ModuleGuid.Guid
+                                $MetaDataGuid = $ModuleGuid.ToString()
+                                if(![string]::IsNullOrWhiteSpace($MetaDataGuid)) {
+                                    $ModuleMetaData.GUID = $MetaDataGuid
                                 }
                                 if(![string]::IsNullOrWhiteSpace($ModObj.Author)) {
                                     $ModuleMetaData.Author = $ModObj.Author
@@ -463,8 +464,9 @@ function New-MarkdownHelp
                         if($null -ne $ModuleMetaData) {
 
                             $ModuleMetaData.ModuleVersion = $ModuleVersion
-                            if($null -ne $ModuleGuid -and ![string]::IsNullOrWhiteSpace($ModuleGuid.Guid)) {
-                                $ModuleMetaData.GUID = $ModuleGuid.Guid
+                            $MetaDataGuid = $ModuleGuid.ToString()
+                            if(![string]::IsNullOrWhiteSpace($MetaDataGuid)) {
+                                $ModuleMetaData.GUID = $MetaDataGuid
                             }
                             if(![string]::IsNullOrWhiteSpace($ModObj.Author)) {
                                 $ModuleMetaData.Author = $ModObj.Author