Missing string functions + other fixes#35

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florentpoujol wants to merge 59 commits intomherkender:masterfrom

florentpoujol:missing_string_functions

Commits on Oct 21, 2013

Started adding string.find(), works without pattern
florentpoujol
committed

Commits on Oct 22, 2013

Commits on Oct 23, 2013

Fixed string.gmatch() and lua_gmatch_next(), works OK
florentpoujol
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Commits on Oct 25, 2013

Began updating string.format(), will use sprintf() bu need fork
florentpoujol
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Commits on Oct 27, 2013

Fixed wrong index in string.find()
florentpoujol
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Commits on Oct 31, 2013

Commits on Nov 4, 2013

Fixed a bug preventing arrays to be looped upon by pairs().
florentpoujol
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Commits on Nov 5, 2013

Fixed yesterday's fix (allow some arrays to be looped by pairs())
florentpoujol
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Commits on Nov 11, 2013

Commits on Nov 12, 2013

Prevented an error in tonumber() if e argument was not of type string
florentpoujol
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Commits on Nov 18, 2013

Made ensure_arraymode() also work when table.uints is an object instead of an array (no matter the arraymode property)
florentpoujol
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Commits on Nov 30, 2013

Fixed style
florentpoujol
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Commits on Dec 2, 2013

Commits on Dec 3, 2013

Commits on Dec 4, 2013

Commits on Dec 11, 2013

Commits on Dec 27, 2013

Commits on Dec 28, 2013

Commits on Dec 29, 2013

string.gsub() now passes the correct argument(s) to the replacement function + updated tests
florentpoujol
committed