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+# Change Log
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+## [Unreleased]
+
+### Added
+
+### Fixed
+
+### Changed
+
+### Deprecated
+
+## [0.8.0]
+
+### Added
+- Added partial `getrusage` support for Windows to retrieve system CPU time and user CPU time. #95
+- Added full `getrusage` support for Unix. #95
+
+## [0.7.0]
+
+### Added
+- Added method stubs for process handling for operating system that are not supported
+  by gosigar. All methods return `ErrNotImplemented` on such systems. #88
+
+### Fixed
+- Fix freebsd build by using the common version of Get(pid). #91
+
+### Changed
+- Fixed issues in cgroup package by adding missing error checks and closing
+  file handles. #92
+
+## [0.6.0]
+
+### Added
+- Added method stubs to enable compilation for operating systems that are not
+  supported by gosigar. All methods return `ErrNotImplemented` on these unsupported
+  operating systems. #83
+- FreeBSD returns `ErrNotImplemented` for `ProcTime.Get`. #83
+
+### Changed
+- OpenBSD returns `ErrNotImplemented` for `ProcTime.Get` instead of `nil`. #83
+- Fixed incorrect `Mem.Used` calculation under linux. #82
+- Fixed `ProcState` on Linux and FreeBSD when process names contain parentheses. #81
+
+### Removed
+- Remove NetBSD build from sigar_unix.go as it is not supported by gosigar. #83
+
+## [0.5.0]
+
+### Changed
+- Fixed Trim environment variables when comparing values in the test suite. #79
+- Make `kern_procargs` more robust under darwin when we cannot retrieve
+  all the information about a process. #78
+
+## [0.4.0]
+
+### Changed
+- Fixed Windows issue that caused a hang during `init()` if WMI wasn't ready. #74
+
+## [0.3.0]
+
+### Added
+- Read `MemAvailable` value for kernel 3.14+ #71
+
+## [0.2.0]
+
+### Added
+- Added `ErrCgroupsMissing` to indicate that /proc/cgroups is missing which is
+  an indicator that cgroups were disabled at compile time. #64
+
+### Changed
+- Changed `cgroup.SupportedSubsystems()` to honor the "enabled" column in the
+  /proc/cgroups file. #64
+
+## [0.1.0]
+
+### Added
+- Added `CpuList` implementation for Windows that returns CPU timing information
+  on a per CPU basis. #55
+- Added `Uptime` implementation for Windows. #55
+- Added `Swap` implementation for Windows based on page file metrics. #55
+- Added support to `github.com/gosigar/sys/windows` for querying and enabling
+  privileges in a process token.
+- Added utility code for interfacing with linux NETLINK_INET_DIAG. #60
+- Added `ProcEnv` for getting a process's environment variables. #61
+
+### Changed
+- Changed several `OpenProcess` calls on Windows to request the lowest possible
+  access privileges. #50
+- Removed cgo usage from Windows code.
+- Added OS version checks to `ProcArgs.Get` on Windows because the
+  `Win32_Process` WMI query is not available prior to Windows vista. On XP and
+  Windows 2003, this method returns `ErrNotImplemented`. #55
+
+### Fixed
+- Fixed value of `Mem.ActualFree` and `Mem.ActualUsed` on Windows. #49
+- Fixed `ProcTime.StartTime` on Windows to report value in milliseconds since
+  Unix epoch. #51
+- Fixed `ProcStatus.PPID` value is wrong on Windows. #55
+- Fixed `ProcStatus.Username` error on Windows XP #56