0.25.0

Added

• --objects argument to provide other object files with coverage information
• --no-dead-code flag to avoid adding -Clink-dead-code to linker flags
• ptrace support for x86

Changed

• Dumped traces are now saved to reports output directory
• Change event log name to print datetime stamps without colons or slashes so they'll save in other
  operating systems
• Set LLVM_PROFILE_FILE for building tests and delete the generated profraws to ignore build script
  coverage
• Remove dependency on memmap
• Filter out expressions or items with #[cfg_attr(tarpaulin, no_coverage)]