Pagination is not handled correctly

[it-praktyk]

1. Provide a general summary of the issue in the Title above

Under testing of the code for the pull request I've observed that warning is displayed and not all results are returned

PS > Get-GitLabPipeline -ProjectID 63 -Verbose | measure
VERBOSE: Parameter Set Name: Single
VERBOSE: URL: https://gitlab.example.com/api/v4/projects/63
VERBOSE: GET https://gitlab.example.com/api/v4/projects/63 with 0-byte payload
VERBOSE: received 1854-byte response of content type application/json
VERBOSE: Returning a pipeline(s) for the project ActiveAssistSetup and id 63
VERBOSE: Parameter Set Name: Pipelines
VERBOSE: A prepared API request: /projects/63/pipelines?order_by=id&sort=desc&per_page=100
VERBOSE: URL: https://gitlab.example.com/api/v4/projects/63/pipelines?order_by=id&sort=desc&per_page=100
VERBOSE: GET https://gitlab.example.com/api/v4/projects/63/pipelines?order_by=id&sort=desc&per_page=100 with 0-byte payload
VERBOSE: received 10184-byte response of content type application/json
VERBOSE: GET https://gitlab.example.com/api/v4/projects/63/pipelines?order_by=id&sort=desc&per_page=100?&page=2 with 0-byte payload
VERBOSE: received 31-byte response of content type application/json
WARNING: . See https://gitlab.example.com/help/api/README.md#status-codes for more information.

Count    : 100
Average  :
Sum      :
Maximum  :
Minimum  :
Property :

after commenting lines

• 41
• 57-60 in the file PSGitLab/Private/QueryGitLabAPI.ps1 the error is displayed

<OUTPUT_PARTIALY_OMITTED>
VERBOSE: GET https://gitlab.example.com/api/v4/projects/63/pipelines?order_by=id&sort=desc&per_page=100?&page=2 with 0-byte payload
VERBOSE: received 31-byte response of content type application/json
Invoke-WebRequest : {"error":"per_page is invalid"}
At <FOLDER_PATH>\PSGitLab\PSGitLab\Private\QueryGitLabAPI.ps1:52 char:22
+         $Results += (Invoke-WebRequest @newRequest).Content | Convert ...
+                      ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ CategoryInfo          : InvalidOperation: (Method: GET, Re...rShell/6.0.2
}:HttpRequestMessage) [Invoke-WebRequest], HttpResponseException
+ FullyQualifiedErrorId : WebCmdletWebResponseException,Microsoft.PowerShell.Commands.InvokeWebRequestCommand

Count    : 100
<OUTPUT_PARTIALY_OMITTED>

2. Describe Your Environment

Windows 10 x64 PowerShell Core 6.0.2 GitLab 10.7.3 - API v4

3. Expected Behavior

• More descriptive error/warning message is displayed
• All results are returned

5. Possible Solution

I'll provide a proposed fix as a separate pull request.

[ngetchell]

Fixed by @it-praktyk