Write README/CHANGELOG

Author: civitaspo

CHENGELOG.md

@@ -1,2 +1,3 @@
 0.2.0 (2016-02-xx)
 ==================
+- [Add] `decompression` option

README.md

@@ -14,11 +14,12 @@ Read files on Hdfs.
 
 - **config_files** list of paths to Hadoop's configuration files (array of strings, default: `[]`)
 - **config** overwrites configuration parameters (hash, default: `{}`)
-- **path** file path on Hdfs. you can use glob and Date format like `%Y%m%d/%s`.
-- **rewind_seconds** When you use Date format in input_path property, the format is executed by using the time which is Now minus this property.
-- **partition** when this is true, partition input files and increase task count. (default: `true`)
-- **num_partitions** number of partitions. (default: `Runtime.getRuntime().availableProcessors()`)
-- **skip_header_lines** Skip this number of lines first. Set 1 if the file has header line. (default: `0`)
+- **path** file path on Hdfs. you can use glob and Date format like `%Y%m%d/%s` (string, required).
+- **rewind_seconds** When you use Date format in input_path property, the format is executed by using the time which is Now minus this property. (long, default: `0`)
+- **partition** when this is true, partition input files and increase task count. (boolean, default: `true`)
+- **num_partitions** number of partitions. (long, default: `Runtime.getRuntime().availableProcessors()`)
+- **skip_header_lines** Skip this number of lines first. Set 1 if the file has header line. (long, default: `0`)
+- **decompression** Decompress compressed files by hadoop compression codec api. (boolean. default: `false`)
 
 ## Example