added String() function to sentimentIron's inline-training-data function
added String() function to sentimentIron's inline-training-data function

sjwhitworth/golearn,sjwhitworth/golearn,EtienneBruines/golearn,EtienneBruines/golearn,sjwhitworth/golearn,thedadams/golearn,thedadams/golearn,EtienneBruines/golearn,sjwhitworth/golearn,sjwhitworth/golearn,thedadams/golearn,thedadams/golearn