add unwrapping model modifications for Serialized model

src/base/macros/serialized.jl

+"""
+    _serialized_change_unwrap(fn::Symbol)
+
+Creates a simple wrapper structure that calls a function transparently on the
+internal precached model. Internal type is returned (because this would break
+the consistency of serialization).
+"""
+macro _serialized_change_unwrap(fn::Symbol)
+    docstring = """
+        $fn(model::Serialized, ...)
+
+    Calls [$fn](@ref) of the internal serialized model type.
+    Returns the modified un-serialized model.
+    """
+    :(@doc $docstring $fn(model::Serialized, args...; kwargs...) =
+        $fn(unwrap_serialized(model), args...; kwargs...))
+end

src/reconstruction/SerializedModel.jl

+
+# this just generates the necessary wrappers
+
+@_serialized_change_unwrap change_bound
+@_serialized_change_unwrap change_bounds
+@_serialized_change_unwrap add_reaction
+@_serialized_change_unwrap remove_reaction
+@_serialized_change_unwrap remove_reactions
+@_serialized_change_unwrap remove_metabolite
+@_serialized_change_unwrap remove_metabolites
+
+"""
+    unwrap_serialized(model::Serialized)
+
+Returns the model stored in the serialized structure.
+"""
+function unwrap_serialized(model::Serialized)
+    precache!(model)
+    model.m
+end