v0.5.4

Loess v0.5.4

Diff since v0.5.3

Closed issues:

• Seasonal-Trend decomposition using LOESS (STL) (#37)
• Tree confusion (#44)

Merged pull requests:

• update readme with better fitting interpolation (#45) (@marius311)
• Use markdown list to show arguments (#46) (@melonedo)
• Fix docstring typo (#49) (@stillyslalom)
• Branch on Julia version to avoid qr deprecation warning (#50) (@andreasnoack)