fixed pep8 issues; refactored;
fix offset issue; refactored;
big refactoring;
added requires(argparse) for python2.6;
cli requires at least 3 arguments.
support python3.
move srtmerge function into srt.py module;
use contextmanager to avoid 'ResourceWarning: unclosed file';
clenup resources after tests;
clenup resources after tests: fixed issue in python3;
updated copyleft.
rename srtmerge to cli;
autodetect character encoding for input files;
adde new option to define output encoding;
fixed console_script entry;
pep8 fixes;
enable auto character encoding by default;
tests with py3.
updated version.
merge last changes