fixed cp35001

yield without expression sets valid location for None expression
fixed cp34892
fixed cp34910
fixed cp34837

subprocess.Popen accept any mapping as env
GetPointer works with Int64
Merge pull request #175 from paweljasinski/cp35001

fixed cp35001
Merge pull request #176 from paweljasinski/cp34892

fixed cp34892
changed to BytesConversion
Merge pull request #177 from paweljasinski/fstat

fixed cp34910
Merge pull request #178 from paweljasinski/cp34837

fixed cp34837