Add more notebooks

src/models/abc/print.jl

@@ -36,11 +36,11 @@ Pretty print an [`ABCProcessInput`](@ref) (with newlines).
 """
 function show(io::IO, processInput::ABCProcessInput)
     println(io, "Input for $(processInput.process):")
-    println(io, "  Input particles:")
+    println(io, "  $(length(processInput.inParticles)) Incoming particles:")
     for particle in processInput.inParticles
         println(io, "    $particle")
     end
-    println(io, "  Output Particles:")
+    println(io, "  $(length(processInput.outParticles)) Outgoing Particles:")
     for particle in processInput.outParticles
         println(io, "    $particle")
     end

src/models/interface.jl

@@ -68,13 +68,13 @@ function types end
     in_particles(::AbstractProcessDescription)
 
 Interface function that must be implemented for every subtype of [`AbstractProcessDescription`](@ref).
-Returns a `<: Dict{Type{AbstractParticle}, Int}` object, representing the number of ingoing particles for the process per particle type.
+Returns a `<: Dict{Type{AbstractParticle}, Int}` object, representing the number of incoming particles for the process per particle type.
 
 
     in_particles(::AbstractProcessInput)
 
 Interface function that must be implemented for every subtype of [`AbstractProcessInput`](@ref).
-Returns a `<: Vector{AbstractParticle}` object with the values of all ingoing particles for the corresponding `ProcessDescription`.
+Returns a `<: Vector{AbstractParticle}` object with the values of all incoming particles for the corresponding `ProcessDescription`.
 """
 function in_particles end