v0.2.3

Tullio v0.2.3

Diff since v0.2.2

Closed issues:

• @tullio seems slower than equivalent for loop? (#22)
• The initialization for user defined reduction function is always zero(T) (#24)
• Force avx to "avx = false" when use LHS scattering, unless the index is checked to be unique. (#27)

Merged pull requests:

• Better choice of tile sizes? (#23) (@mcabbott)
• Allow init=0.0, and updating with any reduction (#25) (@mcabbott)
• Simplify the generated code in ex_nored, and use first() to collect scalar output instead of sum() (#28) (@N3N5)