implemented intelligent slice functionality#414

Merged

awvwgk merged 19 commits intofortran-lang:masterfrom

aman-godara:develop_slice

Jun 12, 2021

Commits on May 23, 2021

implemented slice function for stdlib_ascii
aman-godara
committed
added module dependencies of stdlib_math for function slice in Makefile.manual
aman-godara
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Commits on May 24, 2021

changed names from start to first and end to last
aman-godara
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forgot to change the dummy argument start to first
aman-godara
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shifted slice from stdlib_ascii to stdlib_strings and modified module dependencies accordingly
aman-godara
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Commits on May 25, 2021

Commits on May 26, 2021

documented function slice, corrected documentation of to_title and to_sentence
aman-godara
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Commits on May 27, 2021

improved function slice for invalid cases, added new invalid test cases
aman-godara
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Commits on May 28, 2021

improved the implementation of last commit fa88905
aman-godara
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Commits on May 29, 2021

Commits on Jun 7, 2021

improved documentation and comments for function slice
aman-godara
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Commits on Jun 10, 2021

Commits on Jun 11, 2021