Stone Bow:

(Cobblestone,Vanilla Bow,Strong Stone)
Iron Bow:

(Iron ingot,Stone bow,Strong iron)
Golden Bow:

(Gold ingot,Iron bow,Strong gold)
Diamond Bow:

(Diamond,Iron bow,Strong diamond)
Emerald Bow:

(Emerald,Diamond bow,Strong emerald)
Double Arrow Upgrade:

(Arrow,Upgrade Plate)
Triple Arrow Upgrade:

(Arrow,Upgrade Plate)
Lightning Upgrade:

(Fire charge,Fire rocket,Flint and Steel,Blaze rod,Upgrade plate)
Fire Upgrade:

(Blaze powder,Upgrade plate,Flint and Steel,Blaze rod,Nether wart)
Ender Upgrade:

(Ender pearl,Ender eye,Upgrade plate)
Freeze Upgrade:

(Snowball,Snow block,Upgrade plate)
Explosive Upgrade:

(TNT,Upgrade plate)
Healing Upgrade

(Arrow,Iron sword,Golden Apple,Upgrade plate)
Arrow Cost Upgrade:

(Arrow,Upgrade plate)
Water Upgrade:

(Water bucket,Prismariene chard,Upgrade plate)
Bridge Upgrade:

(Obsidian,Strong diamond,planks(any type),Upgrade plate)
Upgrade Plate:

(Strong iron,Strong diamond)
Strong Stone:

(Planks(any type),Cobblestone)
Strong Iron:

(Cobblestone,Iron ingot)
Strong Gold:

(Iron ingot,Gold ingot)
Strong Diamond:

(Iron ingot,Diamond)
Strong Emerald:

(Diamond,Emerald)
If you find a bug please post it on the problems tab above.
If you would like to add a language then just post it down in the comments and I will send you a template.