Added the example of 1-1
Added the example of 1-2
Added the example of 1-3
Added the example of 1-4
Added the example of 2-1
Added the example of 2-2
Fake it for the String#cmarbdige for the empty string
Added the test cases for the String#cmarbdige for the string of 1, 2 and 3 characters
Added the test case for the String#cmarbdige for the string of 4 characters
Added LearnRubyKansai#cambridge
Added the test cases of LearnRubyKansai#cambridge for the split to words
Fixed the typo :)
Added the test cases of the LearnRubyKansai#cambridge for trimming sentence
Added the test cases of the LearnRubyKansai#cambridge for recover punctuations
Added the example of 3
Modified applied from a long punctuation
Fixed the typo
Added the sample text of cambridge