v1.4.0

DoubleFloats v1.4.0

Diff since v1.3.8

Merged pull requests:

• Fix inf and nan bugs (#204) (@araujoms)
• Update Project.toml (#205) (@JeffreySarnoff)

Closed issues:

• Bug in *: Double64(Inf) * Double64(1) = NaN (#199)
• sqrt(NaN) (#201)
• log1p(Double64(Inf)) returns nothing (#203)