fft.mako: using more extensive name for one of the variables
fft.mako: removed redundant if, and handled the missing branch properly
test/helpers: using proper precision limit for doubles
test/test_computations/test_fft: added testcase for a branch in fft.mako
helpers: improved AttrDict __repr__
TODO: added task
cluda: Added basic version of temporary allocations support
TODO: added a task