v4.0.0

• #98 (@rafaelsc)
• #99 (@rafaelsc)
• #66 - binary-breaking change, adds the optional syncRoot parameter to WriteTo.Console() (@adamchester)
• #95 (@rafaelsc)
• #96 (@rafaelsc)
• #80 (@megakid)
• #77 (@tjaart)
• #73
• #72 (@SimonCropp)
• #71 (@SimonCropp)
• #69 (@nblumhardt)
• #65 (@nblumhardt)
• #63 (@teo-tsirpanis)
• #62 (@TysonMN)
• #61 (@vhatsura)
• #55 (@sungam3r)
• #52 (@tsimbalar)
• #45 (@MaximRouiller)
• #40 (@adamchester)
• #38 (@adamchester)