Implement a simple config file parser

Tests/SimpleConf/TestConfigs/BasicConversions.conf

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+# First, we wanna test if it can even do the basics
+an int = 123456
+a float = 3.5
+a long (8B) = 121212121212121212
+a double = 0.0000128
+
+# Now we want to see if it correctly blows up
+an incorrect char = 256
+unsigned = -34
+signed, but large = 3000000000
+mangled float = 3.f4
+mangled float 2 = 2.4f

Tests/SimpleConf/TestConfigs/Comments.conf

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+# Test whether comments behave correctly
+
+# this shouldn't = be accessible
+while this = is accessible # and this comment doesn't interfere

Tests/SimpleConf/TestConfigs/CommentsOnly.conf

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+# Another example of an empty config
+# The config should initialize successfully,
+# but there should be no kv-pairs inside it

Tests/SimpleConf/TestConfigs/Optionality.conf

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+# This probably doesn't need to exist, but eh
+existing key = existing value

Tests/SimpleConf/TestConfigs/Parsing-EmptyKey.conf

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+# A simple config file that
+
+normal_key=normal_value
+another_key=another_value
+generic=generic
+another_one=another_value
+            = oh no, an empty key
+another_one=...
+
+# It doesn't really matter what's here, because the parser won't reach it

Tests/SimpleConf/TestConfigs/Parsing-HashInKey.conf

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+# A simple config file that contains a # character inside the key
+
+normal_key=normal_value
+another_key=another_value
+a_very_bas#ic_key=generic_value
+another_one=...
+
+# It doesn't really matter what's here, because the parser won't reach it

Tests/SimpleConf/TestConfigs/Parsing-KeyAtEnd.conf

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+# A simple config file that
+
+normal_key=normal_value
+another_key=another_value
+generic=generic
+another_one=another_value
+another_one=...
+
+# It doesn't really matter what's here, because the parser won't reach it
+sneaky_key

Tests/SimpleConf/TestConfigs/Parsing-MultipleEquals.conf

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+# A simple config
+that appears = correct
+but it = has = an invalid line # Should blow up here
+another=pair

Tests/SimpleConf/TestConfigs/Parsing-OnlyKey.conf

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+# A simple config file that contains only the key on a single line
+
+normal_key=normal_value
+another_key=another_value
+generic=generic
+another_one=another_value
+a_very_basic_key
+another_one=...
+
+# It doesn't really matter what's here, because the parser won't reach it