v0.3

enhance properties support
- escapes and new lines in keys
- assign can be ':' or '=' or ' '
- if escaping end char there must be odd number of \
- proper java escaping for properties
enhance TS support
enhance PO support
hard and soft merging
- hard delete from target keys which are not in default
- soft keep them and set flag to obsolete
autoload library
add tests for delete

v0.4