v0.7.0

Parquet v0.7.0

Diff since v0.6.1

Closed issues:

• Write parquet file (#1)
• String columns read back as Vector{UInt8} (#94)
• Why ParFile instead of ParquetFile? (#99)
• Corrupt reads with large data files (#105)

Merged pull requests:

• reader improvements (#97) (@tanmaykm)
• read decimals encoded as fixed width byte arrays (#101) (@tanmaykm)
• update to use Thrift v0.8 (#102) (@tanmaykm)
• improve tests and coverage (#103) (@tanmaykm)
• support some more logical type mappings (#104) (@tanmaykm)
• rename ParFile to Parquet.File (#106) (@tanmaykm)