Changed function.copy to ignore unused inputs after deleting updates.
Added test to make sure copy ignores unused inputs.

Update check trace to allow more argument types

Use the new GpuElemwise from libgpuarray

gpuarray GpuGemmBatch op

[MAIN] Doc, error message, remove optimization warning

Partial function evaluation

Fix crash in GpuAdvanvedIncSubtensor1 when unbroadcasting the value.

sumsqr2dot added to the opt.py

Fix crashes probably due to nvcc not handling unsigned int as we expect

Fix https://github.com/fchollet/keras/issues/2339 and fix https://github.com/fchollet/keras/issues/2345

Changed release doc to say new releases several times a year, instead…

[WIP] Helper function that check stack traces

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