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Version 2.0.6
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	- Automatic coil summation is performed in adjoint gridding 
	  operation when gpuNUFFT operator is initialized with 
	  coil sensitivities. Moreover, an automatic expansion 
	  to the coil dimensions is performed in the forward operation. 
	
	- Support for arbitrary sector widths. Thus, there is no longer
	  the need that the grid dimensions are exact integer multiples 
	  of the sector width. Moreover, this means that 
	  the oversampling ratio can now be tuned to the limit since 
	  this has always had a direct impact on the total grid 
	  dimensions. 

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Version 2.0.5
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	- Varying dimensions in all directions, e.g. 3d grids with 
	  256x128x64 or 2d grids with 256x128 are supported now.

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Version 2.0.4
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	- Use textures for kernel lookup
	- Use textures for data readout
	- Balanced and textured gridding to work more efficiently
	- Apply sens data on GPU
	- Automatically export mex-files into gpuNUFFT/@gpuNUFFT/private 
	  folder
	- Refactored initialization params of MATLAB Operator

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Version 2.0.3
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	- Anisotropic grid sizes, e.g. 128x128x64 supported.

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Version 2.0.2
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	- Precomputation step on the GPU
	- Better performance to continuously create the GpuNUFFT Operator

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Version 2.0.1
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	- First working hybrid version with 2- and 3d isotropic support
	
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Version 1.1.0
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	- Early release
