Gets a list of Blueprint Packages filtered by classification and visibility.

		https://t3n.zendesk.com/entries/20411357-Get-Packages

		:param classification: package type filter (System, Script, Software)
		:param visibility: package visibility filter (Public, Private, Shared)

def GetPackages(classification,visibility):
		"""Gets a list of Blueprint Packages filtered by classification and visibility.

		https://t3n.zendesk.com/entries/20411357-Get-Packages

		:param classification: package type filter (System, Script, Software)
		:param visibility: package visibility filter (Public, Private, Shared)
		"""
		r = clc.v1.API.Call('post','Blueprint/GetPackages',
							{'Classification': Blueprint.classification_stoi[classification],'Visibility': Blueprint.visibility_stoi[visibility]})
		if int(r['StatusCode']) == 0:  return(r['Packages'])