NSCP does not respect the order in which included files are written in the config file

[exchange12rocks]

Issue and Steps to Reproduce

PS > Get-Content .\boot.ini
[settings]
1 = ini://${shared-path}/nsclient.ini

PS > Get-Content .\nsclient.ini
[/includes]
d=a.ini
b=b.ini
c=c.ini

PS > Get-Content .\a.ini
[/test]
key1=This values comes from a.ini

PS > Get-Content .\b.ini
[/test]
key2=This values comes from b.ini

PS > Get-Content .\c.ini
[/test]
key1=This values comes from c.ini
key2=This values comes from c.ini
key3=This values comes from c.ini

Expected Behavior

PS > .\nscp.exe settings --show
  INI settings: (ini://${shared-path}/nsclient.ini, C:\Program Files\NSClient++/nsclient.ini)
    INI settings: (a.ini, a.ini)
    INI settings: (b.ini, b.ini)
    INI settings: (c.ini, c.ini)

PS > .\nscp.exe settings --list
/includes.d=a.ini
/includes.b=b.ini
/includes.c=c.ini
/test.key1=This values comes from a.ini
/test.key2=This values comes from b.ini
/test.key3=This values comes from c.ini

Actual Behavior

PS > .\nscp.exe settings --show
  INI settings: (ini://${shared-path}/nsclient.ini, C:\Program Files\NSClient++/nsclient.ini)
    INI settings: (b.ini, b.ini)
    INI settings: (c.ini, c.ini)
    INI settings: (a.ini, a.ini)

PS > .\nscp.exe settings --list
/includes.b=b.ini
/includes.c=c.ini
/includes.d=a.ini
/test.key1=This values comes from c.ini
/test.key2=This values comes from b.ini
/test.key3=This values comes from c.ini

Details

• NSClient++ version: 0.5.3.3
• OS and Version: Windows Server 2016

Additional Details

Included files are sorted alphabetically by config node names