fix un-necessary use of Requires and Compat

Project.toml

@@ -5,7 +5,6 @@ version = "0.4.2"
 
 [deps]
 Accessors = "7d9f7c33-5ae7-4f3b-8dc6-eff91059b697"
-Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
 ConstructionBase = "187b0558-2788-49d3-abe0-74a17ed4e7c9"
 InitialValues = "22cec73e-a1b8-11e9-2c92-598750a2cf9c"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
@@ -30,11 +29,9 @@ BangBangTypedTablesExt = "TypedTables"
 [compat]
 Accessors = "0.1"
 ChainRulesCore = "1"
-Compat = "2.0, 3.0, 4.0"
 ConstructionBase = "0.1, 1.0"
 DataFrames = "1"
 InitialValues = "0.2.4, 0.3"
-Requires = "0.5, 1"
 StaticArrays = "1"
 StructArrays = "0.6"
 Tables = "0.2, 1"
@@ -52,8 +49,8 @@ PerformanceTestTools = "dc46b164-d16f-48ec-a853-60448fc869fe"
 Pkg = "44cfe95a-1eb2-52ea-b672-e2afdf69b78f"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 StructArrays = "09ab397b-f2b6-538f-b94a-2f83cf4a842a"
-Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 Tables = "bd369af6-aec1-5ad0-b16a-f7cc5008161c"
+Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
 TypedTables = "9d95f2ec-7b3d-5a63-8d20-e2491e220bb9"
 Zygote = "e88e6eb3-aa80-5325-afca-941959d7151f"
 

src/BangBang.jl

@@ -45,7 +45,6 @@ using Base.Broadcast:
     materialize!,
     preprocess
 using Base: HasEltype, IteratorEltype, promote_typejoin
-using Compat: hasproperty
 using ConstructionBase: constructorof
 using InitialValues
 using LinearAlgebra

src/NoBang/NoBang.jl

@@ -4,7 +4,6 @@ export Empty, singletonof
 
 using Base.Iterators: Pairs
 using Base: ImmutableDict
-using Requires
 using ConstructionBase: constructorof, setproperties
 
 using ..BangBang: push!!, unique!!, union!!, symdiff!!, implements