Export String[X] types from WeakRefStrings.jl (#889)

* Export String[X] types from WeakRefStrings.jl

* Update Project.toml

Author: bkamins

Project.toml

@@ -1,7 +1,7 @@
 name = "CSV"
 uuid = "336ed68f-0bac-5ca0-87d4-7b16caf5d00b"
 authors = ["Jacob Quinn <quinn.jacobd@gmail.com>"]
-version = "0.9.0"
+version = "0.9.1"
 
 [deps]
 CodecZlib = "944b1d66-785c-5afd-91f1-9de20f533193"
@@ -22,7 +22,7 @@ Parsers = "2"
 PooledArrays = "0.5, 1.0"
 SentinelArrays = "1.2"
 Tables = "1.1"
-WeakRefStrings = "1.2"
+WeakRefStrings = "1.3"
 julia = "1.3"
 
 [extras]

src/CSV.jl

@@ -19,6 +19,7 @@ using SentinelArrays
 # WeakRefStrings provides the InlineString and PosLenString types for more gc-friendly string types
 using WeakRefStrings
 export PosLenString, InlineString
+export String1, String3, String7, String15, String31, String63, String127, String255
 # CodecZlib is used for unzipping gzip files
 using CodecZlib
 # FilePathsBase allows more structured file path types