0.23.5 (2016-03-26)

• Compile errors and warnings in integer type conversion code. This fixesticket 877. Patches by Christian Neukirchen, Nikolaus Rath, Ian Henriksen.
• Reference leak when *args argument was reassigned in closures.
• Truth-testing Unicode strings could waste time and memory in Py3.3+.
• Return values of async functions could be ignored and replaced by None.
• Compiler crash in CPython 3.6.
• Fix prange() to behave identically to range(). The end condition wasmiscalculated when the range was not exactly divisible by the step.
• Optimised all(genexpr)/any(genexpr) calls could warn about unusedcode. This fixes ticket 876.