diff --git a/bower.json b/bower.json
index c28db7f..859a72c 100644
--- a/bower.json
+++ b/bower.json
@@ -15,13 +15,14 @@
     "package.json"
   ],
   "dependencies": {
-    "purescript-prelude": "^3.0.0",
+    "purescript-prelude": "^3.1.0",
     "purescript-matryoshka": "^0.3.0",
     "purescript-pathy": "^4.0.0",
-    "purescript-profunctor": "^3.0.0",
+    "purescript-profunctor": "^3.2.0",
     "purescript-profunctor-lenses": "^3.2.0",
-    "purescript-ejson": "^9.0.0",
-    "purescript-argonaut-codecs": "^3.0.1"
+    "purescript-ejson": "^10.0.0",
+    "purescript-argonaut-codecs": "^3.1.0",
+    "purescript-strongcheck": "^3.1.0"
   },
   "devDependencies": {
     "purescript-argonaut": "^3.0.0",
diff --git a/src/SqlSquare.purs b/src/SqlSquared.purs
similarity index 100%
rename from src/SqlSquare.purs
rename to src/SqlSquared.purs
diff --git a/src/SqlSquare/Constructors.purs b/src/SqlSquared/Constructors.purs
similarity index 98%
rename from src/SqlSquare/Constructors.purs
rename to src/SqlSquared/Constructors.purs
index 3496749..a54e7b7 100644
--- a/src/SqlSquare/Constructors.purs
+++ b/src/SqlSquared/Constructors.purs
@@ -3,15 +3,14 @@ module SqlSquared.Constructors where
 import Prelude
 
 import Data.Array as Arr
-import Data.Json.Extended.Signature (EJsonF(..), EJsonMap(..))
 import Data.Foldable as F
+import Data.HugeInt as HI
 import Data.HugeNum as HN
+import Data.Json.Extended.Signature (EJsonF(..), EJsonMap(..))
 import Data.List as L
 import Data.Map as Map
 import Data.Maybe (Maybe(..))
-
 import Matryoshka (class Corecursive, embed)
-
 import SqlSquared.Signature as Sig
 import SqlSquared.Utils ((∘))
 
@@ -25,7 +24,7 @@ null ∷ ∀ t. Corecursive t (Sig.SqlF EJsonF) ⇒ t
 null = embed $ Sig.Literal Null
 
 int ∷ ∀ t. Corecursive t (Sig.SqlF EJsonF) ⇒ Int → t
-int = embed ∘ Sig.Literal ∘ Integer
+int = embed ∘ Sig.Literal ∘ Integer ∘ HI.fromInt
 
 num ∷ ∀ t. Corecursive t (Sig.SqlF EJsonF) ⇒ Number → t
 num = embed ∘ Sig.Literal ∘ Decimal ∘ HN.fromNumber
diff --git a/src/SqlSquare/Lenses.purs b/src/SqlSquared/Lenses.purs
similarity index 99%
rename from src/SqlSquare/Lenses.purs
rename to src/SqlSquared/Lenses.purs
index b560c71..ff99207 100644
--- a/src/SqlSquare/Lenses.purs
+++ b/src/SqlSquared/Lenses.purs
@@ -2,6 +2,7 @@ module SqlSquared.Lenses where
 
 import Prelude
 
+import Data.HugeInt as HI
 import Data.HugeNum as HN
 import Data.Json.Extended as EJ
 import Data.Lens (Prism', prism', Lens', lens, Iso')
@@ -241,7 +242,7 @@ _IntLiteral
   ∷ ∀ t
   . Recursive t (S.SqlF EJ.EJsonF)
   ⇒ Corecursive t (S.SqlF EJ.EJsonF)
-  ⇒ Prism' t Int
+  ⇒ Prism' t HI.HugeInt
 _IntLiteral = prism' (embed ∘ S.Literal ∘ EJ.Integer) $ project ⋙ case _ of
   S.Literal (EJ.Integer r)  → M.Just r
   _ → M.Nothing
diff --git a/src/SqlSquare/Parser.purs b/src/SqlSquared/Parser.purs
similarity index 100%
rename from src/SqlSquare/Parser.purs
rename to src/SqlSquared/Parser.purs
diff --git a/src/SqlSquare/Parser/Tokenizer.purs b/src/SqlSquared/Parser/Tokenizer.purs
similarity index 64%
rename from src/SqlSquare/Parser/Tokenizer.purs
rename to src/SqlSquared/Parser/Tokenizer.purs
index 0f03515..cebccb8 100644
--- a/src/SqlSquare/Parser/Tokenizer.purs
+++ b/src/SqlSquared/Parser/Tokenizer.purs
@@ -7,26 +7,23 @@ module SqlSquared.Parser.Tokenizer
 import Prelude
 
 import Control.Alt ((<|>))
-
 import Data.Array as A
-import Data.Int as Int
+import Data.Char as Ch
 import Data.Either (Either)
-import Data.Maybe (Maybe(..), isJust)
-import Data.Foldable as F
+import Data.HugeInt as HI
 import Data.HugeNum as HN
-import Data.Char as Ch
+import Data.Json.Extended.Signature.Parse as EJP
+import Data.Maybe (isJust)
 import Data.String as S
-
 import SqlSquared.Utils ((∘))
-
 import Text.Parsing.Parser as P
 import Text.Parsing.Parser.Combinators as PC
-import Text.Parsing.Parser.Token as PT
 import Text.Parsing.Parser.String as PS
+import Text.Parsing.Parser.Token as PT
 
 data Literal
   = String String
-  | Integer Int
+  | Integer HI.HugeInt
   | Decimal HN.HugeNum
 
 derive instance eqTokenLit ∷ Eq Literal
@@ -202,121 +199,13 @@ notQuotedIdent = do
     else pure str
 
 stringLit ∷ ∀ m. Monad m ⇒ P.ParserT String m Token
-stringLit =
-  map (Lit ∘ String)
-  $ PC.between (PS.string "\"") (PS.string "\"")
-  $ map S.fromCharArray
-  $ A.many stringChar
-  where
-  stringChar = PC.try stringEscape <|> stringLetter
-  stringLetter = PS.satisfy (not ∘ eq '"')
-  stringEscape = PS.string "\\\"" $> '"'
+stringLit = Lit ∘ String <$> EJP.parseStringLiteral
 
 numLit ∷ ∀ m. Monad m ⇒ P.ParserT String m Token
-numLit = map (Lit ∘ Decimal) parseDecimal
+numLit = Lit ∘ Decimal <$> EJP.parseDecimalLiteral
 
 intLit ∷ ∀ m. Monad m ⇒ P.ParserT String m Token
-intLit = map (Lit ∘ Integer) parseIntLiteral
-
-parseIntLiteral ∷ ∀ m. Monad m ⇒ P.ParserT String m Int
-parseIntLiteral = parseSigned parseNat
-
-parseDecimal ∷ ∀ m. Monad m ⇒ P.ParserT String m HN.HugeNum
-parseDecimal = parseHugeNum <|> parseScientific
-
-parseHugeNum ∷ ∀ m. Monad m ⇒ P.ParserT String m HN.HugeNum
-parseHugeNum = do
-  chars ←
-    map S.fromCharArray
-    $ A.many
-    $ PS.oneOf
-    $ digits
-    <> [ '-', '.' ]
-  case HN.fromString chars of
-    Just num → pure num
-    Nothing → P.fail $ "Failed to parse decimal: " <> chars
-
-parseDigit ∷ ∀ m. Monad m ⇒ P.ParserT String m Int
-parseDigit =
-  PC.choice
-    [ 0 <$ PS.string "0"
-    , 1 <$ PS.string "1"
-    , 2 <$ PS.string "2"
-    , 3 <$ PS.string "3"
-    , 4 <$ PS.string "4"
-    , 5 <$ PS.string "5"
-    , 6 <$ PS.string "6"
-    , 7 <$ PS.string "7"
-    , 8 <$ PS.string "8"
-    , 9 <$ PS.string "9"
-    ]
-
-parseScientific ∷ ∀ m. Monad m ⇒ P.ParserT String m HN.HugeNum
-parseScientific =
-  parseSigned parsePositiveScientific
-
-parseNat
-  ∷ ∀ m
-  . Monad m
-  ⇒ P.ParserT String m Int
-parseNat =
-  A.some parseDigit
-    <#> F.foldl (\a i → a * 10 + i) 0
-
-parseNegative
-  ∷ ∀ m a
-  . Monad m
-  ⇒ Ring a
-  ⇒ P.ParserT String m a
-  → P.ParserT String m a
-parseNegative p =
-  PS.string "-"
-    *> PS.skipSpaces
-    *> p
-    <#> negate
-
-parsePositive
-  ∷ ∀ m a
-  . Monad m
-  ⇒ Ring a
-  ⇒ P.ParserT String m a
-  → P.ParserT String m a
-parsePositive p =
-  PC.optional (PS.string "+" *> PS.skipSpaces)
-    *> p
-
-parseSigned
-  ∷ ∀ m a
-  . Monad m
-  ⇒ Ring a
-  ⇒ P.ParserT String m a
-  → P.ParserT String m a
-parseSigned p = parseNegative p  <|> parsePositive p
-
-parseExponent
-  ∷ ∀ m
-  . Monad m
-  ⇒ P.ParserT String m Int
-parseExponent =
-  (PS.string "e" <|> PS.string "E")
-    *> parseIntLiteral
-
-parsePositiveScientific ∷ ∀ m. Monad m ⇒ P.ParserT String m HN.HugeNum
-parsePositiveScientific = do
-  let ten = HN.fromNumber 10.0
-  lhs ← PC.try $ fromInt <$> parseNat <* PS.string "."
-  rhs ← A.many parseDigit <#> F.foldr (\d f → divNum (f + fromInt d) ten) zero
-  exp ← parseExponent
-  pure $ (lhs + rhs) * HN.pow ten exp
-
-  where
-  fromInt = HN.fromNumber <<< Int.toNumber
-
-  -- TODO: remove when HugeNum adds division
-  divNum a b =
-    HN.fromNumber $
-    HN.toNumber a / HN.toNumber b
-
+intLit = Lit ∘ Integer <$> EJP.parseHugeIntLiteral
 
 keyword ∷ ∀ m. Monad m ⇒ P.ParserT String m Token
 keyword = map Kw $ PC.choice $ map (PC.try ∘ parseKeyWord) keywords
@@ -329,7 +218,6 @@ parseKeyWord s =
     c ← PC.try $ PS.oneOf [ Ch.toUpper ch, Ch.toLower ch ]
     pure $ A.snoc acc c
 
-
 tokens ∷ ∀ m. Monad m ⇒ P.ParserT String m (Array Token)
 tokens = do
   PS.skipSpaces
diff --git a/src/SqlSquare/Signature.purs b/src/SqlSquared/Signature.purs
similarity index 98%
rename from src/SqlSquare/Signature.purs
rename to src/SqlSquared/Signature.purs
index e3660db..de1e326 100644
--- a/src/SqlSquare/Signature.purs
+++ b/src/SqlSquared/Signature.purs
@@ -43,38 +43,38 @@ module SqlSquared.Signature
 
 import Prelude
 
+import Control.Monad.Gen as MGen
 import Data.Argonaut as J
 import Data.Array as A
 import Data.Either as E
 import Data.Eq (class Eq1, eq1)
 import Data.Foldable as F
-import Data.Json.Extended as EJ
+import Data.HugeInt as HI
+import Data.HugeNum as HN
 import Data.Int as Int
-import Data.List as L
+import Data.Json.Extended as EJ
 import Data.List ((:))
-import Data.HugeNum as HN
+import Data.List as L
 import Data.Maybe (Maybe(..))
 import Data.Monoid (mempty)
 import Data.Newtype (class Newtype)
+import Data.NonEmpty ((:|))
 import Data.Ord (class Ord1, compare1)
 import Data.String as S
+import Data.String.Gen as GenS
 import Data.Traversable as T
-
 import Matryoshka (Algebra, CoalgebraM, class Corecursive, embed)
-
-import SqlSquared.Utils (type (×), (×), (∘), (⋙))
-
 import SqlSquared.Signature.BinaryOperator as BO
 import SqlSquared.Signature.Case as CS
 import SqlSquared.Signature.GroupBy as GB
+import SqlSquared.Signature.Ident as ID
 import SqlSquared.Signature.JoinType as JT
 import SqlSquared.Signature.OrderBy as OB
 import SqlSquared.Signature.OrderType as OT
 import SqlSquared.Signature.Projection as PR
 import SqlSquared.Signature.Relation as RL
 import SqlSquared.Signature.UnaryOperator as UO
-import SqlSquared.Signature.Ident as ID
-
+import SqlSquared.Utils (type (×), (×), (∘), (⋙))
 import Test.StrongCheck.Arbitrary as SC
 import Test.StrongCheck.Gen as Gen
 
@@ -915,11 +915,11 @@ genSql n
 genLeaf ∷ ∀ t. GenSql t
 genLeaf =
   map (embed ∘ Literal)
-  $ Gen.oneOf (pure $ EJ.Null)
-    [ map EJ.Boolean SC.arbitrary
-    , map EJ.Integer SC.arbitrary
-    , map EJ.Decimal $ map HN.fromNumber SC.arbitrary
-    , map EJ.String SC.arbitrary
+  $ MGen.oneOf $ pure EJ.Null :|
+    [ EJ.Boolean <$> MGen.chooseBool
+    , EJ.Integer <<< HI.fromInt <$> MGen.chooseInt (-1000000) 1000000
+    , EJ.Decimal <<< HN.fromNumber <$> MGen.chooseFloat (-1000000.0) 1000000.0
+    , EJ.String <$> GenS.genUnicodeString
     ]
 
 genLetP ∷ ∀ t. Int → GenSql t
diff --git a/src/SqlSquare/Signature/BinaryOperator.purs b/src/SqlSquared/Signature/BinaryOperator.purs
similarity index 100%
rename from src/SqlSquare/Signature/BinaryOperator.purs
rename to src/SqlSquared/Signature/BinaryOperator.purs
diff --git a/src/SqlSquare/Signature/Case.purs b/src/SqlSquared/Signature/Case.purs
similarity index 100%
rename from src/SqlSquare/Signature/Case.purs
rename to src/SqlSquared/Signature/Case.purs
diff --git a/src/SqlSquare/Signature/GroupBy.purs b/src/SqlSquared/Signature/GroupBy.purs
similarity index 100%
rename from src/SqlSquare/Signature/GroupBy.purs
rename to src/SqlSquared/Signature/GroupBy.purs
diff --git a/src/SqlSquare/Signature/Ident.purs b/src/SqlSquared/Signature/Ident.purs
similarity index 100%
rename from src/SqlSquare/Signature/Ident.purs
rename to src/SqlSquared/Signature/Ident.purs
diff --git a/src/SqlSquare/Signature/JoinType.purs b/src/SqlSquared/Signature/JoinType.purs
similarity index 100%
rename from src/SqlSquare/Signature/JoinType.purs
rename to src/SqlSquared/Signature/JoinType.purs
diff --git a/src/SqlSquare/Signature/OrderBy.purs b/src/SqlSquared/Signature/OrderBy.purs
similarity index 100%
rename from src/SqlSquare/Signature/OrderBy.purs
rename to src/SqlSquared/Signature/OrderBy.purs
diff --git a/src/SqlSquare/Signature/OrderType.purs b/src/SqlSquared/Signature/OrderType.purs
similarity index 100%
rename from src/SqlSquare/Signature/OrderType.purs
rename to src/SqlSquared/Signature/OrderType.purs
diff --git a/src/SqlSquare/Signature/Projection.purs b/src/SqlSquared/Signature/Projection.purs
similarity index 100%
rename from src/SqlSquare/Signature/Projection.purs
rename to src/SqlSquared/Signature/Projection.purs
diff --git a/src/SqlSquare/Signature/Relation.purs b/src/SqlSquared/Signature/Relation.purs
similarity index 100%
rename from src/SqlSquare/Signature/Relation.purs
rename to src/SqlSquared/Signature/Relation.purs
diff --git a/src/SqlSquare/Signature/UnaryOperator.purs b/src/SqlSquared/Signature/UnaryOperator.purs
similarity index 100%
rename from src/SqlSquare/Signature/UnaryOperator.purs
rename to src/SqlSquared/Signature/UnaryOperator.purs
diff --git a/src/SqlSquare/Utils.purs b/src/SqlSquared/Utils.purs
similarity index 100%
rename from src/SqlSquare/Utils.purs
rename to src/SqlSquared/Utils.purs
diff --git a/test/src/Argonaut.purs b/test/src/Argonaut.purs
index d0ca7f3..6f7e32a 100644
--- a/test/src/Argonaut.purs
+++ b/test/src/Argonaut.purs
@@ -8,29 +8,26 @@ import Data.Argonaut (JCursor(..), jsonParser)
 import Data.Argonaut as JS
 import Data.Either (fromRight)
 import Data.Foldable as F
+import Data.HugeInt as HI
+import Data.Json.Extended.Signature (EJsonF(..))
 import Data.List ((:))
 import Data.List as L
 import Data.Maybe (Maybe(..))
 import Data.Set as Set
 import Data.Tuple (Tuple, fst)
-import Data.Json.Extended.Signature (EJsonF(..))
-
+import Matryoshka (ana, elgotPara, Coalgebra, ElgotAlgebra)
+import Partial.Unsafe (unsafePartial)
 import SqlSquared as S
 import SqlSquared.Utils ((×), (∘), (⋙))
-
-import Matryoshka (ana, elgotPara, Coalgebra, ElgotAlgebra)
-
 import Test.Unit (suite, test, TestSuite)
 import Test.Unit.Assert as Assert
 
-import Partial.Unsafe (unsafePartial)
-
 data UnfoldableJC = JC JCursor | S String | I Int
 
 jcCoalgebra ∷ Coalgebra (S.SqlF EJsonF) UnfoldableJC
 jcCoalgebra = case _ of
   S s → S.Ident s
-  I i → S.Literal (Integer  i)
+  I i → S.Literal (Integer (HI.fromInt i))
   JC cursor → case cursor of
     JCursorTop → S.Splice Nothing
     JIndex i c → S.Binop { op: S.IndexDeref, lhs: JC c, rhs: I i }