Merge branch 'hotfix/1.10.7'
add --pid-file-dir option for setting location of pid file.
fix syntax
add --pid-file-dir to command_line_parser
Merge branch 'develop' into suzuken-features/change_pid_location

Conflicts:
	dynamic_dynamodb/__init__.py
Fixed invalid indentation #146
Fixed config reading and made code more efficient #146
Updated command line docs
Added default to help text #146