Add Haskell implementation
Reset uid when it's larger than 10000
Stop deriving unessesary instances
Cosmetic changes
Give type signatures to the handlers
Fix compiler warnings
Set GHC flags
Use lower case for JSON field names
Use connection pool for MySQL
Minimize critical section
Fix a condition bug in incrementUid
More detailed error message
Stringify uid when constructing a SQL statement
Merge pull request #1 from maoe/haskell-wai

The REST server implementation in Haskell