v6.0

NEW METHODS:

• reverse()

NEW MODIFICATIONS:

• changed the 'center' method's response to the invalid argument
• changed the 'ljust' method's response to the invalid argument

v5.3

FIXED BUGS:

• fixed the bug related to starting index identification

NEW FEATURES:

• new example program using 'center()' method

v5.2

NEW FEATURE:

• documentation for man pages

v5.1

NEW FEATURES:

• added man page for each command

NEW MODIFICATIONS:

• modified the name of some methods in the methods list

v5.0

NEW METHODS:

• count()
• replace()
• title()
• rfind()

MODIFICATIONS:

• enabled find() method to find both strings and chars
• added comments to the zfill() method

v4.0

NEW METHODS:

• strip() method
• lstrip() method
• rstriop method
• swapcase() method
• zfill() method

v3.0

NEW METHODS:

• ljsut() method
• rjust() method
• length() method
• split() method
• startswith() method

NEW MODIFICATIONS:

• changed the whole directory tree and improved it to a more organized version

v2.2

NEW FEATURES:

• changelog file to see all of the changes as a log file

NEW MODIFICATIONS:

• made method's arguments more compatible

v2.1

ERROR HANDLING:

• handling segmentation fault in join() method.

NEW MODIFICATIONS:

• modified the center() method's error message.

v2.0

ADDED METHODS:

• iswhitespace()
• istitle()
• isuppercase()
• join()
• upper()

NEW MODIFICATIONS:

• added comments to some methods.
• changed the name of the casefold() method to lower().