version 0.4.00

Changes:

• new tools: copy, squeeze, flatten, delta, zexpj, invert
• show tool: option to use custom number formatting
• poisson: option to specify random seed in poisson (David Smith)
• threshold: hard threshold option
• join: append mode
• nufft: nudft option
• nufft: randshift for nufft
• pics: batch mode
• pics: FT as sparsity transform
• nrmse: auto_scale option
• fmac tool: if only two args are specified then squash-and-sum
• remove rsense tool
• support for cmake (Hans Johnson)
• rename vars.(sh|m) to startup.(sh|m)
• more efficient Matlab interface (Tim Loderhose)
• write BART version and command line into created files
• change fftw to use 64-bit interface
• phase out old wavelet2 code
• library: phase cycling for nufft
• library: support weights in toeplitz mode
• library: fmac operator
• library: cabs: complex magnitude
• library: md_compare
• library: thomas algorithm
• library: inital spline code
• many other bug fixes and enhancements