new since 0.2.2:
- improve init example

new since 0.2.1:
- change coding style, no functional changes

new since 0.2.0:
- modernize build system

new since 0.1.1:
- new --initialsearch option

new since 0.1.0:
- make log output always line buffered

new since 0.0.1:
- new --prefix and --suffix to avoid using regular expressions
  for the easy cases.
