v0.6.3

NLopt v0.6.3

Diff since v0.6.2

Closed issues:

• remove_constraints!(opt) doesn't work; chkn() not defined (#133)
• Minimizers are Float32 instead of Float64 (#148)
• Dead link in README (#164)
• JuMP tutorial to NLopt doesn't work (#165)
• NLopt with JuMP puts out-of-bounds value into objective function before optimizing. (#170)

Merged pull requests:

• Fix #133, remove_constraints!(opt) doesn't work; chkn() not defined (#159) (@sjvrensburg)
• Fix typo in JuMP example (#162) (@aquohn)
• Remove leftover hessian code (#167) (@blegat)
• Remove useless line (#168) (@blegat)
• Remove useless evaluation at zero (#171) (@blegat)